Sometimes after removal of
AVG8 anti-virus software with the standard means and the computer restart some records may still remain in the system registry and prevent
Kaspersky Anti-Virus 2011 product from installation. Thus, it is very important to remove
AVG8 before installation of
Kaspersky Anti-Virus 2011. Before the files are copied onto a hard disk the
Setup Wizard scans the disk for software incompatible with
Kaspersky Anti-Virus 2011. Records in the system registry are recognized by the
Setup Wizard as fully installed
AVG8 software, even though the product was removed and is no longer installed on the PC. As a result
Kaspersky Lab Setup Wizard asks to delete the detected incompatible software manually and terminates the installation process.
Solution 1: Automatically delete AVG8 anti-virus:- in the bottom left corner click the Start button
- perform the following actions:
- for Windows XP:
- select the Control Panel item
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- in the Control Panel window click Add or Remove programs
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- for Windows Vista and Windows 7:
- select the Contorl Panel item
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- in the Control Panel window click Programs
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- in the Programs window select Programs and components
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- in the list of programs select the AVG8 anti-virus
- perform the following actions:
- for Windows XP:
- click the button Change/Remove (if you are offered to remove some common files click the button Yes, for all)
- for Windows Vista and Windows 7:
- double-click the application name
- in the Programs and components window click the Yes button
- the process of system scan will start. Wait until the process is completed
- in the window that will open confirm that you want to remove the product by clicking the Yes button. Wait until the process is uninstallation is completed
- you will be asked to restart your computer to completely uninstall AVG8 from your computer
- click the OK button.
Try to install Kaspersky Anti-Virus 2011 once again.
As a result AVG8 anti-virus will be removed from your computer. If AVG8 anti-virus has been successfully removed from your computer you do not need to perform the following steps. If an error message informs that AVG8 anti-virus removal was unsuccessful you will have to delete AVG8 anti-virus manually.
Solution 2: Manually delete AVG8 anti-virus: Follow the instructions below to remove
AVG8 anti-virus manually. After you perform all the actions,
AVG8 will be fully uninstalled. In order to manually remove the software, use the uninstallation tool
AVG8_Kleaner:
- download the archive avg8.zip
- unpack the archive avg8.zip, for example, using WinZip
- run the file AVG8_Kleaner.exe

- wait till the following message appears:
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- in order to fully remove AVG8 from your computer, you will be asked to reboot your computer
- click OK
- restart your computer.
Re-run the installation of Kaspersky Anti-Virus 2011.
If the problem is not eleminated, then contact AVG technical support to remove the AVG records remaining in your system registry.
If all remains of your previous anti-virus software were removed, or you have not had any anti-virus software installed on your computer, but you cannot install a Kaspersky Lab product version 2011, then create a request to Kaspersky Lab Technical Support via the My Kaspersky Account service. Attach to your request a report created using Getsysteminfo.
While creating the request, do not forget to describe the problem and actions which are required to be performed to reproduce the problem in all details.