Error code 0XC0070643

Ivan, Also have a look @ this article (https://support.avg.com/SupportArticleView?q=installation+failed&urlname=What-to-do-when-AVG-installation-is-failing&l=en_US).
AVG Guru

If you receive the code 0xC0070643 and 0xC007001C when installing AVG on Windows Vista, 7, 8 or 8.1, please use the AVG BFE Fix tool by following these steps:

Download the AVG BFE Fix tool.
http://download.avg.com/filedir/util/AVG_BFEfix.exe

Run the downloaded file, click Accept to confirm the license agreement, and then click Continue. Your computer will be automatically restarted.

Run the AVG installation again.

I just bought my anti virus avg but this code keps appearing and i all ready try everything, any suggestions …

Ivan, Also have a look @ this article (https://support.avg.com/SupportArticleView?q=installation+failed&urlname=What-to-do-when-AVG-installation-is-failing&l=en_US).
AVG Guru

If you receive the code 0xC0070643 and 0xC007001C when installing AVG on Windows Vista, 7, 8 or 8.1, please use the AVG BFE Fix tool by following these steps:

Download the AVG BFE Fix tool.
http://download.avg.com/filedir/util/AVG_BFEfix.exe

Run the downloaded file, click Accept to confirm the license agreement, and then click Continue. Your computer will be automatically restarted.

Run the AVG installation again.