Hi timmymac98
Two options :
- Open the Avast! user interface, and go to : Settings - General - Smart Scan - Grimefighter - Off.
- Or deinstall Grimefighter :
1) Start - Control Panel - Add/Remove Programs - Avast! - Change.
2) Change.
3) Uncheck Grimefighter.
4) Continue.
5) Reboot.
Greetz, Red.