About a week ago, I downloaded a Super Nintendo emulator app and a couple of games (rom files) to my PC (a Lenovo pc running Windows 8.1), and found that it had also downloaded a load of crap along with it. I started getting lots of ad pop-ups and my home page was changed from Google to some other one (I can't remember the name now - it was something like adstarsearch or something).
I then went to Programs/Features and uninstalled all the things that had installed on that day, deactivated the unwanted search provider ad-ons and ran Malwarebytes which found some malware items and deleted them. My computer was running fine from then on... or so I thought.
Yesterday, when I switched my pc on, I found that after it had booted up, not everything had started up properly - several icons that usually appear at the bottom right of the screen aren't appearing (eg: my antivirus program Avast, dropbox.com and I don't have access to the internet (I usually have to connect via a Powerline network adapter because wifi's not too good upstairs in our house, so effectively a wired connection, but this is not connecting now). If I try to use any programs or applications (Excel, Control Panel or anything), the computer just hangs and the app never opens. If I try to log off, I get a message saying "Task host window - Task host is stopping background tasks".
So basically, my pc is now unusable. I'm guessing I'm still infected by some sort of malware, but if I can't even get it to run anything or connect to the internet, how can I check this?
Any help will be gratefully received. Thanks.
Edited by gezkc, 09 August 2014 - 06:29 AM.