Please Help! Unable to uninstall AVG free 8.5

I tried uninstall AVG free and I do not have the time for a full format
Could not find a solution online… any help would be greatly appriciated: This is the error message that I get: Local machine: installation failed
Initialization:
Warning: AVG text message exception.
Installation:
Error: Action failed for file avi7.avg: creating backup….
Error 0x80070020 %DESTINATION% = “C:\Windows\System32\Drivers\Avg\avi7.avg.install_backup”, %SOURCE% = “C:\Windows\System32\Drivers\Avg\avi7.avg”
Error 0x80004004
Answer #1
Do not install AVG. It’s a bad antivirus. Try NOD32 : Smaller, better, faster..etc
EDIT – Thought you said “installing” my bad
Start your computer on safe mode and uninstall it.
Answer #2
Try the avg remover from here
http://www.avg.com/download-tools
Answer #3
thanks guys
Answer #4
You are welcome
Answer #5
i suggest use “Your Uninstaller Pro” to uninstall.. it’s very safe..