I`ve AIS 6.0.1021 (now) and the same problem last time. The issue started in 5.1.889. Also, in all 6.x.xxxx .
I never install new AIS with AutoUpdate. I always download new AIS from Avast-site, save my INI-files, uninstall old AIS with reboot, install new AIS and replace INI-files with mine. But I made new INI now.
I`ve use aswclear6.
I do not use some shields (Email,Spam,IM,P2P,WebPep). I do not install them.
Virus base autoupdate is OFF, I do it by hand.
Status screen monitors only shieds and firewall.