If the Antivirus component is not active or the Identity protection is disabled, please provide us with the following diagnostic data for analysis:
1) all AVG logfiles
2) MSinfo output.
3) A few recent dump files from this folder, if present:
Windows XP: C:\Documents and Settings\All Users\Application Data\AVG2012\Dumps
Windows Vista/7: C:\ProgramData\AVG2012\Dumps