It would have been better to have uninstalled AVG 7.5 completely, then rebooting the computer before installing AVG 8.
You can try a System Restore to a date/time before you first attempted to install AVG 8, but I am not sure this will work as it seems the normal Add/Remove Programs method was not carried out by the system properly.
Goto Start > All programs > Accessories > System Tools > System Restore, select "Restore my computer to an earlier time", click Next, select a date/time before you started this upgrade, and then follow the prompts.
If that works, I would test whether AVG is still working properly before attempting the upgrade again. I would go to Grisoft's web site and download the setup files from there, but make sure AVG 7.5 is fully uninstalled before installing AVG 8.
I hope that helps.
I downloaded the upgrade for AVG 8.0 from 7,5 the other day, and it would not install. It removed 7.5 up to a point and then stalled at creating backup. I finished removing it on Remove Programs because I was afraid it would hinder the 8.0 installing. Then I have downloaded the setup file several times because it would say the files were corrupted when I tried to install. Finally the installation will begin and then stops on "file updatecompscfg: creating backup". I download a new setup file each time, I have tried at different times of the day, and I have downloaded the setup file on both Firefox and IE. I don't know what else to try. I downloaded vcleaner.exe from the AVG site, and it said I had no virus. Oh, I also downloaded the setup file directly from free.grisoft. My internet is now not responding when I open it.
Thank you very much
1 gb memory
60 gb hard drive
I don't know what else to put here