A little more help if needed
How to uninstall AVG (remove it permanently from PC)
Click on Start > All Programs > AVG 7.5 > Uninstall AVG Anti-Virus for Windows.
If you experience any problems with the uninstallation procedure, please follow the steps below:
Download the latest installation file of AVG from Downloads-Programs
After downloading, run this file and choose the Uninstall Product option in the Select Setup Type dialog
Finish the uninstallation process