i replaced avg antivirus with indows live onecare 2 months ago and ccleaner still thinks i have avg9.0(it shows up in the cleaner tab)even tho i dont have a registry key entered for avg virus 9.0(according to ccleaner. >.>
Windows Live OneCare is not supported anymore - its replacement is the free Microsoft Security Essentials.
Copy/paste the following into Notepad, save it as "fix.reg" (WITH the quotes) into your documents. Then double-click it and accept the prompt.
Windows Registry Editor Version 5.00 [-HKEY_LOCAL_MACHINE\SOFTWARE\AVG]