You might have another antivirus interfering with AVG
Click start control panel administrative tools computer management ,disk management right click on your drive select properties click tools click check now click start two boxes automatically fix files and scan for and attempt recovery of bad sectors place then a tick in both boxes then select check now, start should schedule this task when restart
you might only tick in one box to automatically fix files have no input while the chkdsk utility is in progress any input may further damage your computers Operating System and Hard Drive http://download.cnet.com/jetclean/3000-18512_4-75627788.html JetClean tidies your registry, gets rid of junk files, deletes broken shortcuts, and attempts to give your computer that like-new feel again.
Answers & Comments
You might have another antivirus interfering with AVG
Click start control panel administrative tools computer management ,disk management right click on your drive select properties click tools click check now click start two boxes automatically fix files and scan for and attempt recovery of bad sectors place then a tick in both boxes then select check now, start should schedule this task when restart
you might only tick in one box to automatically fix files
have no input while the chkdsk utility is in progress any input may further damage your computers Operating System and Hard Drive http://download.cnet.com/jetclean/3000-18512_4-75627788.html JetClean tidies your registry, gets rid of junk files, deletes broken shortcuts, and attempts to give your computer that like-new feel again.
Then reinstall your copy of AVG
Hope this helps