1. Installation
Before installing security software designed to protect your computer I find it's best to first ensure that your computer is already free of malware. I know it sounds like strange advice, but this can prevent many problems further down the road. To do this please follow the advice I give in my article about How to Know If Your Computer Is Infected. Note that, as mentioned in that article, I would advise that you submit all unrecognized files to Comodo to be whitelisted. That article explains how to do this. If all of the files on your computer are whitelisted you will find Comodo Internet Security to be very quiet, except when there is a possible threat.
After this is done you can download the installer. Here are the download pages for Comodo Internet Security and Comodo Firewall. Please download whichever you would like to install. If, at a later time, you decide that you want to switch from one to the other you can accomplish this by going to the start menu, finding Comodo, and selecting the option to "Add and Remove components".
Options During Installation
During installation you will first see a scren which asks you whether you want two options to be enabled. I would recommend leaving the box to "enable 'Cloud Based Behavior Analysis'..." checked. I would strongly advise that you leave this option checked. This will upload all active unrecognized programs to Comodo for analysis. These files will then either be added to the whitelist or added to the definitions for the antivirus. This will make Comodo Internet Security both easier to use and more powerful against threats. The other box, to "Send anonymous program usage...", you can uncheck if you desire, or you can leave it checked. It's entirely up to you.
Before going to the next screen select the option in the lower left-corner called "Customize Installation". In addition you should select the small option near the bottom of the windows that says "Customize Installer". This will give you the option to choose which components, and additional programs, you would like to install. You may wish to consider leaving the option to install Comodo GeekBuddy checked. This is a free trial program through which Comodo technicians can remotely diagnose, but not fix, problems with your computer. This trial period will only start once you first use it. If at a later date you decide to purchase the product then the technicians can also remotely fix any problems with your computer. However, if this does not sound useful you can deselect it. Also, if you do choose to install it you can always choose to uninstall it later.
You are also given the option to install the Comodo Dragon browser. If you do not wish to install this then deselect this option as well. You can also uncheck the option to "Install PrivDog...". This is an adblocker similar to Adblock Plus. However, it replaces most ads with ads which are verified to be safe, but which may still be able to provide the site you are viewing with some revenue. Personally, I use Adblock Plus, but the choice is yours. Once you're done, click on Back and then click Next.
On the next screen you are given the choice to change your DNS servers to Comodo Secure DNS Servers. This will automatically block any websites that Comodo knows to be dangerous. Therefore, if you are currently using the default DNS server offered by your ISP I would recommend that you consider enabling this. However, if you would prefer to use another DNS server, as is mentioned in this section of my article about How to Stay Safe While Online, or just use the default one from your ISP, then you can deselect that option. You can also uncheck the option to change your home page and search engine to Yahoo. Leaving it checked will help to support Comodo, but it is very easy to opt out if you do not wish to use Yahoo. After that you can click "Agree and Install" and the installation will begin.
2. Changes To Configuration
Not long after the installation is complete, assuming you installed CIS, it will download the virus database and begin running a quick scan of your computer. Let this scan complete. Unless you have a slow internet connection this process should only take about 5-15 minutes. Either way, I would suggest letting it complete its scan. After the initial scan is completed any subsequent scans will be much faster due to Comodo's new caching technology. Once it's done you can close the scan window. However, note that once you close the scan window it will ask you to restart your computer. Do not yet allow it to restart your computer.
At this time you may also choose to disable User Account Control (UAC). Personally I do disable it. However, there are some reasons to leave it enabled. One problem is that disabling this will turn off protected mode in Internet Explorer. It will also disable file/registry virtualization for Windows Vista and Windows 7. In general, UAC controls who can run specified applications that require elevated Administrator privileges. For more information please read this article.
One of the most important changes it to change the default configuration to Proactive Security. For an explanation of the differences between the configurations please see this page. To do this open the main window for Comodo Internet Security. Then click on the green task icon on the upper right hand corner of the Window. This will flip the screen to show you the task window, which contains the configuration options. Click on the section for "Advanced Tasks" and then select the option to "Open Advanced Settings". Make sure the dropdown menu under "General Settings" is shown and then click on the Configuration option.
Now right-click on the option for "COMODO-Proactive Security" and select Activate. It will ask you whether you want to save changes, but at this point you can select no. It will then ask you to restart your computer. Make sure you select OK on the Advanced Settings Window before selecting the option to "Reboot Now".
Once your computer has started up again open up the main screen for CIS. This time click on the icon on the upper left hand corner of the screen, as shown in the picture to the right, to switch CIS to advanced view.
Then click the icon at the bottom of the windows labeled Scan. Those with CIS installed should select the option to run a "Rating Scan". Note that if you did not install the antivirus component clicking on scan will automatically begin running a rating scan. Allow this scan to complete. Unless you have a slow internet connection it should not take more than a few minutes.
What this is doing is scanning the critical areas of your computer and compiling a list of which files are already known to be safe, dangerous, or unknown. No action is required on your part as long as you already followed my advice about how to ensure that your computer is not infected. The only reason I ask you to do this now is that it will help make Comodo Internet Security a little bit faster and less resource intensive than it otherwise would have been. Once the rating scan is complete you can close the rating scan window without selecting any action for the files, unless you would like to remove some bad files or trust some unknown files which you know to be safe.
Once the scan window is closed please once again look at the main window for CIS. For the section labeled Auto-Sandbox left-click on the text where it says "Partially Limited". A drop-down menu will appear. From this I would advise that you select Untrusted. This level will provide you with protection from nearly any malware I am aware of, including ransomware. The one exception is keyloggers. Some keyloggers may still be able to log data. However, even if they are able to access any information the firewall will stop them from being able to transmit it from your computer. Thus, as long as you are careful when answering any firewall alerts you will be safe. The one exception to this is if you run CIS in Game Mode. An explanation of what this mode is, and why it is dangerous, can be found in this section.
The left-click the text next to HIPS which reads "Safe Mode" and change this to Disabled. My configuration will actually not require you to enable the HIPS. This version of Comodo Internet Security is designed in such a way that you can achieve the same amount of security without enabling the HIPS. Everything we will need is actually now contained within the Behavioral Blocker, which will provide far fewer popups.
Then once again flip the screen to get to the Tasks window. Then go to the section for "Firewall Tasks" and click on the option for "Stealth Ports". In the window which pops up click the option to "Block Incoming Connections". Then go to the section for "Advanced Tasks" and once again click on the icon for "Open Advanced Settings". We will use this window to complete the rest of the changes which will be made to the configuration. I have broken the rest of the advice into that which is applicable for each of the main components of Comodo Internet Security.
Assuming you chose to install Comodo Internet Security you also installed the antivirus component. Please open the Advanced Settings again. Then, make sure the dropdown menu under "General Settings" is shown. Then click on the Updates option. You will note that the virus database is set to automatically update every 6 hours. I would actually advise that you leave that at default. The only reason I pointed it out is that it may seem strange that the antivirus should be set to update so infrequently.
The reason for this is that any program running on your computer will automatically be checked against all signatures in the cloud. Thus, as long as you are constantly connected to the internet you always have up-to-date signature protection regardless of the last time your virus database was updated. Thus the infrequent updates don't actually decrease your protection. In fact, the infrequent updates may even help to make your computer more responsive.
Next make sure the dropdown menus under "Security Settings" are shown. Click on the one for Antivirus. Then click on the one for Scans. If you do not want your computer to run scheduled scans you can slide the toggle for both scans to deactivate them. Other than that there are not really any other changes which need to be made to the antivirus component.
If you like you can disable the option to "Detect installers and show privilege elevation alerts". What this will do is ensure that the only popups you get are to let you know that an application has been sandboxed. The program will not ask you whether you want to allow an application or not. Thus if you select this option you will not have to answer a single Defense+ alert. Every program, even if it is an installer, will automatically be sandboxed.
If this is not disabled running most unknown installers will prompt an unlimited rights popup, which would ask you whether you trust them. However, do note that when sandboxed many installers will not be able to install correctly. Thus, disabling that option will ensure that you receive fewer alerts, although you will still receive a few from the firewall component, but it will also cause more of the unknown programs to fail. Thus, I would recommend making this change only if you are an advanced user and are prepared for the consequences.
Optional Change
Also, if you do not want any unknown programs to be able to access the internet you can check the box for "Do NOT show popup alerts" and then change the behavior to "Block Requests". This will automatically block all unknown applications from accessing the internet. Thus, if you select this option, and the optional one for the Defense+ component, the only popups you will see are those for the sandbox. Also, note that the sandbox popups do not require any user input. Thus, Comodo Internet Security will now be entirely automated and will require no user input at all.
However, making this change to the firewall configuration will cause some unknown programs to not be able to operate correctly and will also result in any unknown installer, which must download files from the internet, failing. Thus, I would recommend making this change only if you are an advanced user and are prepared for the consequences. Note that if you do run into problems with this change, you should just uncheck the option.
When you are done making your changes select OK. This will save all changes and close the advanced settings window.
For any popups, regardless of which component they are from, it is very important that you do not just allow an application because you want to get rid of the alert. If you do this you greatly decrease the protection offered by Comodo Internet Security. In general, regardless of what the alert is asking, you should only allow a program access to your computer if you are absolutely sure that it is safe.
If you're not sure whether an application is safe or not I would advise that before allowing it you take some time to check it by following the advice I give in my article about How to Tell if a File is Malicious. However, if you're not sure what to do I would advise that you select the option to block the request or, if it is a sandbox alert, do nothing and leave the application sandboxed. If you do otherwise you may inadvertently allow a malicious program access to your computer.
Overview of What Game Mode Is
CIS also has an option called "Game Mode". If you choose use this no Defense+ alerts, Firewall alerts, update popups, or scheduled scans will be shown or run. Thus, these cannot interfere with what you are doing. However, what enabling this will also do is create automatic allow rules for all running applications. Thus, running your computer in game mode will essentially put your computer in training mode, which I would not advise as I consider it to be dangerous. Thus, I would advise that you do not use "Game Mode".
Also, I would quickly like to briefly mention the way in which Comodo's behavioral blocker works. If a piece of malware is not yet detected as dangerous by Comodo it will automatically be sandboxed. When in the sandbox it may be able to run, drop files in certain folders, display windows, and perform other actions which may seem alarming. However, do not worry.
The sandbox is watching every action the application tries to make sure that it will not allow it to do anything which can actually harm the computer. Also, the application will not be able to automatically start itself. Thus, once you restart your computer, regardless of how dangerous the malware might have been, the malware will be rendered completely inert upon restart.
However, those files dropped by it may still be sitting on your computer. Other malware scanners may flag these as dangerous and thus it would appear that Comodo Internet Security allowed the computer to be infected. This is not true. In truth, malware is only dangerous if it is active and able to harm your computer or steal information. Thus, since these files are completely inert, you can see that the approach Comodo Internet Security takes towards protecting your computer actually does protect it from all types of malware. Just because there are some leftover files on your computer does not mean that your computer is infected.
Also, please do be aware that due to restrictions, which help protect you from dangerous malware, there are certain types of programs which will not be able to run inside the Virtual Desktop. Also, note that if the Virtual Desktop is closed and then started again no applications will initially be running. This would include any malware which may have been running. Thus, I would recommend that before performing sensitive actions such as online banking you at least close the Virtual Desktop and then open it again just before you go to the banking site. If you like you can even choose the option to "Reset Sandbox", which will delete all information which was inside it and provide you with an entirely fresh sandbox the next time you run the Virtual Desktop.
Also, the shared space folder, of which a shortcut is placed on your desktop during installation and an icon is placed in the main window for CIS, is the folder which is shared by both your actual computer and the Comodo Virtual Desktop. Thus, any files placed in there will be shared between the two environments.
If you would like to run your browser sandboxed, but would prefer not to use the Virtual Desktop, you can instead use the widget. This is the small window which has been added to your desktop. This will automatically detect and display all browsers currently installed on your computer, along with other useful information. Clicking on the icon for that browser will cause it to be run sandboxed with full-virtualization. Note that you can also right-click on the CIS icon and either add or remove information from the widget.
Please note that any changes you make to the browser while sandboxed, such as bookmarking a page, will not be saved to your unsandboxed browser and will in fact be deleted when you reset the sandbox. Note that if you do not want to use the widget you can remove it by right-clicking on the CIS icon, selecting Widget, and unchecking the option to Show. Personally, I use it often, but if you find it an eyesore it is easy to remove.
Also, if you would prefer not to receive messages from the COMODO Message Center you can disable this by going to the CIS Task window. Then go to the "Advanced Tasks" section and click on "Advanced Settings". Then make sure the dropdown menu under "General Settings" is shown and click on "User Interface". Then disable the option to "Show messages from COMODO Message Center". These messages have nothing to do with the protection of your computer and, if you like, can safely be disabled. While in this same area you can also choose to disable the sounds which CIS now plays when an alert is shown, if you wish. When you are done select OK to save your changes and close the window.
The main window of Comodo Internet Security now provides you with the option to add task shortcuts to the task bar at the bottom of the window. To add additional task shortcuts you can flip the screen to the task window, navigate to the task you want to make a shortcut of, right click on the icon for it, and select "Add to Task Bar". I would suggest you do this for any tasks which you find you are using often. Note that you are also given the ability to drag the icons around on the main window.
4. What To Do If You Have Further Questions
Note that if at any time after installing this product you encounter serious problems with it, which running the diagnostics cannot fix, it may be helpful to reinstall it. If you do decide to reinstall Comodo Internet Security it's best to do this by following the steps I outline in my post on this page.
If you do have any other questions please peruse the online help files, which can be found on this page. If you still have questions then I would advise that you search the Comodo Forums for a solution. If someone hasn't already created a post with the same problem please feel free to join the forum and create a post of your own. The community will do their best to help you with any problems that you may encounter.
Before going to the next screen select the option in the lower left-corner called "Customize Installation". In addition you should select the small option near the bottom of the windows that says "Customize Installer". This will give you the option to choose which components, and additional programs, you would like to install. You may wish to consider leaving the option to install Comodo GeekBuddy checked. This is a free trial program through which Comodo technicians can remotely diagnose, but not fix, problems with your computer. This trial period will only start once you first use it. If at a later date you decide to purchase the product then the technicians can also remotely fix any problems with your computer. However, if this does not sound useful you can deselect it. Also, if you do choose to install it you can always choose to uninstall it later.
You are also given the option to install the Comodo Dragon browser. If you do not wish to install this then deselect this option as well. You can also uncheck the option to "Install PrivDog...". This is an adblocker similar to Adblock Plus. However, it replaces most ads with ads which are verified to be safe, but which may still be able to provide the site you are viewing with some revenue. Personally, I use Adblock Plus, but the choice is yours. Once you're done, click on Back and then click Next.
On the next screen you are given the choice to change your DNS servers to Comodo Secure DNS Servers. This will automatically block any websites that Comodo knows to be dangerous. Therefore, if you are currently using the default DNS server offered by your ISP I would recommend that you consider enabling this. However, if you would prefer to use another DNS server, as is mentioned in this section of my article about How to Stay Safe While Online, or just use the default one from your ISP, then you can deselect that option. You can also uncheck the option to change your home page and search engine to Yahoo. Leaving it checked will help to support Comodo, but it is very easy to opt out if you do not wish to use Yahoo. After that you can click "Agree and Install" and the installation will begin.
2. Changes To Configuration
Not long after the installation is complete, assuming you installed CIS, it will download the virus database and begin running a quick scan of your computer. Let this scan complete. Unless you have a slow internet connection this process should only take about 5-15 minutes. Either way, I would suggest letting it complete its scan. After the initial scan is completed any subsequent scans will be much faster due to Comodo's new caching technology. Once it's done you can close the scan window. However, note that once you close the scan window it will ask you to restart your computer. Do not yet allow it to restart your computer.
At this time you may also choose to disable User Account Control (UAC). Personally I do disable it. However, there are some reasons to leave it enabled. One problem is that disabling this will turn off protected mode in Internet Explorer. It will also disable file/registry virtualization for Windows Vista and Windows 7. In general, UAC controls who can run specified applications that require elevated Administrator privileges. For more information please read this article.
A) General Tweaks To The Configuration
Change Overall Configuration
One of the most important changes it to change the default configuration to Proactive Security. For an explanation of the differences between the configurations please see this page. To do this open the main window for Comodo Internet Security. Then click on the green task icon on the upper right hand corner of the Window. This will flip the screen to show you the task window, which contains the configuration options. Click on the section for "Advanced Tasks" and then select the option to "Open Advanced Settings". Make sure the dropdown menu under "General Settings" is shown and then click on the Configuration option.
Now right-click on the option for "COMODO-Proactive Security" and select Activate. It will ask you whether you want to save changes, but at this point you can select no. It will then ask you to restart your computer. Make sure you select OK on the Advanced Settings Window before selecting the option to "Reboot Now".
Other General Steps
Once your computer has started up again open up the main screen for CIS. This time click on the icon on the upper left hand corner of the screen, as shown in the picture to the right, to switch CIS to advanced view.
Then click the icon at the bottom of the windows labeled Scan. Those with CIS installed should select the option to run a "Rating Scan". Note that if you did not install the antivirus component clicking on scan will automatically begin running a rating scan. Allow this scan to complete. Unless you have a slow internet connection it should not take more than a few minutes.
What this is doing is scanning the critical areas of your computer and compiling a list of which files are already known to be safe, dangerous, or unknown. No action is required on your part as long as you already followed my advice about how to ensure that your computer is not infected. The only reason I ask you to do this now is that it will help make Comodo Internet Security a little bit faster and less resource intensive than it otherwise would have been. Once the rating scan is complete you can close the rating scan window without selecting any action for the files, unless you would like to remove some bad files or trust some unknown files which you know to be safe.
Once the scan window is closed please once again look at the main window for CIS. For the section labeled Auto-Sandbox left-click on the text where it says "Partially Limited". A drop-down menu will appear. From this I would advise that you select Untrusted. This level will provide you with protection from nearly any malware I am aware of, including ransomware. The one exception is keyloggers. Some keyloggers may still be able to log data. However, even if they are able to access any information the firewall will stop them from being able to transmit it from your computer. Thus, as long as you are careful when answering any firewall alerts you will be safe. The one exception to this is if you run CIS in Game Mode. An explanation of what this mode is, and why it is dangerous, can be found in this section.
The left-click the text next to HIPS which reads "Safe Mode" and change this to Disabled. My configuration will actually not require you to enable the HIPS. This version of Comodo Internet Security is designed in such a way that you can achieve the same amount of security without enabling the HIPS. Everything we will need is actually now contained within the Behavioral Blocker, which will provide far fewer popups.
Then once again flip the screen to get to the Tasks window. Then go to the section for "Firewall Tasks" and click on the option for "Stealth Ports". In the window which pops up click the option to "Block Incoming Connections". Then go to the section for "Advanced Tasks" and once again click on the icon for "Open Advanced Settings". We will use this window to complete the rest of the changes which will be made to the configuration. I have broken the rest of the advice into that which is applicable for each of the main components of Comodo Internet Security.
B) Configure Antivirus
Assuming you chose to install Comodo Internet Security you also installed the antivirus component. Please open the Advanced Settings again. Then, make sure the dropdown menu under "General Settings" is shown. Then click on the Updates option. You will note that the virus database is set to automatically update every 6 hours. I would actually advise that you leave that at default. The only reason I pointed it out is that it may seem strange that the antivirus should be set to update so infrequently.
The reason for this is that any program running on your computer will automatically be checked against all signatures in the cloud. Thus, as long as you are constantly connected to the internet you always have up-to-date signature protection regardless of the last time your virus database was updated. Thus the infrequent updates don't actually decrease your protection. In fact, the infrequent updates may even help to make your computer more responsive.
Next make sure the dropdown menus under "Security Settings" are shown. Click on the one for Antivirus. Then click on the one for Scans. If you do not want your computer to run scheduled scans you can slide the toggle for both scans to deactivate them. Other than that there are not really any other changes which need to be made to the antivirus component.
C) Configure Defense+
All of the most important changes I would recommend for the Defense+ component have already been made. However, there are some optional changes which you may want to consider.Optional Change
If you like you can disable the option to "Detect installers and show privilege elevation alerts". What this will do is ensure that the only popups you get are to let you know that an application has been sandboxed. The program will not ask you whether you want to allow an application or not. Thus if you select this option you will not have to answer a single Defense+ alert. Every program, even if it is an installer, will automatically be sandboxed.
If this is not disabled running most unknown installers will prompt an unlimited rights popup, which would ask you whether you trust them. However, do note that when sandboxed many installers will not be able to install correctly. Thus, disabling that option will ensure that you receive fewer alerts, although you will still receive a few from the firewall component, but it will also cause more of the unknown programs to fail. Thus, I would recommend making this change only if you are an advanced user and are prepared for the consequences.
D) Configure Firewall
Strongly Recommended Changes
Now minimize the drop-down menu for Defense+ and open the dropdown menu for the Firewall component. Click on "Firewall Settings" and check the boxes for "Filter IPv6 traffic", "Block fragmented IP traffic", "Do Protocol Analysis", and "Enable anti-ARP spoofing". Selecting these will likely not have any negative side-affects on your browsing experience. However, if you do find that you are having trouble with your internet/network connections please try unchecking these options as they are likely the culprit. Also, although it's preferable to leave it checked, in some cases the option to "Filter loopback traffic" may cause certain DNS services to not work correctly. This is rare, but if this happens you can uncheck the option to "Filter loopback traffic". However, as long as there are no problems I would advise that you leave it checked.Optional Change
Also, if you do not want any unknown programs to be able to access the internet you can check the box for "Do NOT show popup alerts" and then change the behavior to "Block Requests". This will automatically block all unknown applications from accessing the internet. Thus, if you select this option, and the optional one for the Defense+ component, the only popups you will see are those for the sandbox. Also, note that the sandbox popups do not require any user input. Thus, Comodo Internet Security will now be entirely automated and will require no user input at all.
However, making this change to the firewall configuration will cause some unknown programs to not be able to operate correctly and will also result in any unknown installer, which must download files from the internet, failing. Thus, I would recommend making this change only if you are an advanced user and are prepared for the consequences. Note that if you do run into problems with this change, you should just uncheck the option.
When you are done making your changes select OK. This will save all changes and close the advanced settings window.
3. Advice On How To Use Comodo Internet Security
How To Answer Defense+/Sandbox/Firewall Alerts
In terms of how to use this program it's really quite simple, at least for the most part. The main problem is that although there are very few alerts which you will have to answer, there are still some decisions which will have to be made. For ordinary sandbox alerts no action will be required on your part. CIS will just show a small popup on the lower right-hand corner of the screen to let you know the application has been sandboxed. However, this popup will provide you with the option to trust the application.For any popups, regardless of which component they are from, it is very important that you do not just allow an application because you want to get rid of the alert. If you do this you greatly decrease the protection offered by Comodo Internet Security. In general, regardless of what the alert is asking, you should only allow a program access to your computer if you are absolutely sure that it is safe.
If you're not sure whether an application is safe or not I would advise that before allowing it you take some time to check it by following the advice I give in my article about How to Tell if a File is Malicious. However, if you're not sure what to do I would advise that you select the option to block the request or, if it is a sandbox alert, do nothing and leave the application sandboxed. If you do otherwise you may inadvertently allow a malicious program access to your computer.
Overview of What Game Mode Is
CIS also has an option called "Game Mode". If you choose use this no Defense+ alerts, Firewall alerts, update popups, or scheduled scans will be shown or run. Thus, these cannot interfere with what you are doing. However, what enabling this will also do is create automatic allow rules for all running applications. Thus, running your computer in game mode will essentially put your computer in training mode, which I would not advise as I consider it to be dangerous. Thus, I would advise that you do not use "Game Mode".
Brief Overview of How the Behavioral Blocker Works
Also, I would quickly like to briefly mention the way in which Comodo's behavioral blocker works. If a piece of malware is not yet detected as dangerous by Comodo it will automatically be sandboxed. When in the sandbox it may be able to run, drop files in certain folders, display windows, and perform other actions which may seem alarming. However, do not worry.
The sandbox is watching every action the application tries to make sure that it will not allow it to do anything which can actually harm the computer. Also, the application will not be able to automatically start itself. Thus, once you restart your computer, regardless of how dangerous the malware might have been, the malware will be rendered completely inert upon restart.
However, those files dropped by it may still be sitting on your computer. Other malware scanners may flag these as dangerous and thus it would appear that Comodo Internet Security allowed the computer to be infected. This is not true. In truth, malware is only dangerous if it is active and able to harm your computer or steal information. Thus, since these files are completely inert, you can see that the approach Comodo Internet Security takes towards protecting your computer actually does protect it from all types of malware. Just because there are some leftover files on your computer does not mean that your computer is infected.
Overview of Comodo Virtual Desktop
Comodo Virtual Desktop creates a fully virtualized environment on your computer. It can be accessed by going to the tasks window, going to the "Sandbox Tasks" section, and clicking on "Run Virtual Desktop". This starts the fully virtualized environment which is mainly meant to be used for web related activities. It is not really designed for installing other programs, although many programs will install correctly inside of it. In addition, any programs which are installed on your real computer, and have a shortcut sitting on the desktop, will be able to be launched from inside the Virtual Desktop. However, note that in order to access them you will need to switch from the tablet screen to the desktop screen. This is done by flipping the window by clicking on the orange icon, just as you would with the CIS window.Also, please do be aware that due to restrictions, which help protect you from dangerous malware, there are certain types of programs which will not be able to run inside the Virtual Desktop. Also, note that if the Virtual Desktop is closed and then started again no applications will initially be running. This would include any malware which may have been running. Thus, I would recommend that before performing sensitive actions such as online banking you at least close the Virtual Desktop and then open it again just before you go to the banking site. If you like you can even choose the option to "Reset Sandbox", which will delete all information which was inside it and provide you with an entirely fresh sandbox the next time you run the Virtual Desktop.
Also, the shared space folder, of which a shortcut is placed on your desktop during installation and an icon is placed in the main window for CIS, is the folder which is shared by both your actual computer and the Comodo Virtual Desktop. Thus, any files placed in there will be shared between the two environments.
Optional Cosmetic Changes
If you would like to run your browser sandboxed, but would prefer not to use the Virtual Desktop, you can instead use the widget. This is the small window which has been added to your desktop. This will automatically detect and display all browsers currently installed on your computer, along with other useful information. Clicking on the icon for that browser will cause it to be run sandboxed with full-virtualization. Note that you can also right-click on the CIS icon and either add or remove information from the widget.
Please note that any changes you make to the browser while sandboxed, such as bookmarking a page, will not be saved to your unsandboxed browser and will in fact be deleted when you reset the sandbox. Note that if you do not want to use the widget you can remove it by right-clicking on the CIS icon, selecting Widget, and unchecking the option to Show. Personally, I use it often, but if you find it an eyesore it is easy to remove.
Also, if you would prefer not to receive messages from the COMODO Message Center you can disable this by going to the CIS Task window. Then go to the "Advanced Tasks" section and click on "Advanced Settings". Then make sure the dropdown menu under "General Settings" is shown and click on "User Interface". Then disable the option to "Show messages from COMODO Message Center". These messages have nothing to do with the protection of your computer and, if you like, can safely be disabled. While in this same area you can also choose to disable the sounds which CIS now plays when an alert is shown, if you wish. When you are done select OK to save your changes and close the window.
The main window of Comodo Internet Security now provides you with the option to add task shortcuts to the task bar at the bottom of the window. To add additional task shortcuts you can flip the screen to the task window, navigate to the task you want to make a shortcut of, right click on the icon for it, and select "Add to Task Bar". I would suggest you do this for any tasks which you find you are using often. Note that you are also given the ability to drag the icons around on the main window.
4. What To Do If You Have Further Questions
Note that if at any time after installing this product you encounter serious problems with it, which running the diagnostics cannot fix, it may be helpful to reinstall it. If you do decide to reinstall Comodo Internet Security it's best to do this by following the steps I outline in my post on this page.
If you do have any other questions please peruse the online help files, which can be found on this page. If you still have questions then I would advise that you search the Comodo Forums for a solution. If someone hasn't already created a post with the same problem please feel free to join the forum and create a post of your own. The community will do their best to help you with any problems that you may encounter.
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