Hi, I just cleaned my computer from a rootkit virus with help from this forum. I meant to start using AVAST avtivirus but I accidently installed Malware bytes free trial instead. So I used it for a week to see how I liked it and when it expired, I didn't immediately install AVAST because I was busy. A couple days later I updated Malware bytes definitions and ran the stand-alone in preparation to uninstall it and then install AVAST. Malware bytes found two problems and crashed. So I restarted and ran it again and the same thing happened. But I restarted normally, now I uninstalled malware bytes and ran the AVAST standalone, it also found problems and crashed and flashed a bluescreen before shutting down. I can still restart and use my computer normally, and use the internet etc. and if not for the unusual antivirus runs, I would think everything was fine. What should I do?