be sure to give more details, eg;
1] Which AVG, the free version or the paid version.
2] What version AVG?
3] Your system details.
4] What Firewall do you use?
5 What is the full error message?
I hope that helps.
My databases Anti virus and anti spyware on AVG Free 2011 are out of date but every time I try to update I get a "General Error" and the update does not take plce.