avast rootkit just stops

hi all thanx for having me…
I’ve tried to run the avast root-kit scanner but because of some reason it just stops (i guess half way) and that’s it… I got the internet security, but my pc has never been this slow, and non responsive, can someone please help me with some kind of solution how to get this all going and my PC’s health back to maximum?
thanx
Jay

if you mean the old avast rootkit scanner…it has not been updated for a looooong time. aswMBR is the new

Follow this guide and attach the logs from malwarebytes / OTL / aswMBR
http://forum.avast.com/index.php?topic=53253.0

when done, one of the certified malware removers will help you