If you already tried to uninstall it from the control panel, try it again in safe mode. How do you know when a politician is lying? His mouth is moving.
The easiest way is to go to the AVG website and download their uninstaller. that will work for you Some HELP in posting on Computing.net plus free progs and instructions 7 Golds
AVG 2012 (incl. Previous Versions) Uninstall / Re-Install Instructions
http://forums.avg.com/ww-en/avg-for...
Download AVG Remover 2012 (32-bit)
http://download.avg.com/filedir/uti...
Download AVG Remover 2012 (64-bit)
http://download.avg.com/filedir/uti...