You already have MSE installed. It's my only a/v recommendation I will ever make. It's the only antivirus that can not and does not cause bsods under any circumstances.
Removal of AVG should set the machine right and well.
Your MSE drivers installed and well:
Code:
MpFilter MpFilter.sys Sat Mar 20 01:58:08 2010
MpNWMon MpNWMon.sys Sat Mar 20 01:58:00 2010