Tim, Have a look @ this article (https://support.avg.com/SupportArticleView?urlname=How-to-prepare-your-computer-for-installing-AVG) plus also this article (https://support.avg.com/SupportArticleView?urlname=What-to-do-when-AVG-installation-is-failing).
AVG Guru
I ran into this error saying it cant create a file in c:\programdata\microsoft\windows\start menu please help
I've already tried running as admin, safe mode and running as admin under safe mode.
Tim, Have a look @ this article (https://support.avg.com/SupportArticleView?urlname=How-to-prepare-your-computer-for-installing-AVG) plus also this article (https://support.avg.com/SupportArticleView?urlname=What-to-do-when-AVG-installation-is-failing).
AVG Guru