I had the same problem as you, i had so many problems getting rid of avg until i useed the best freeavg removal tool in the market hands down. Try ccleaner, it is so easy to use and it will uninstall your antivirus without a problem.
The information on Computing.Net is the opinions of its users. Such
opinions may not be accurate and they are to be used at your own risk.
Computing.Net cannot verify the validity of the statements made on this
site. Computing.Net and Purch hereby disclaim all responsibility
and liability for the content of Computing.Net and its accuracy.