restart your computer
hit the F8 key
go into safe mode with networking
be patient it will be slow
google rkill bleeping
download one of the rkill apps from the bleeping computer link
install and run it
that gets rid of the trojan that is keeping you from doing anything else
download malwarebytes
http://www.majorgeeks.com/Malwarebytes_A…
install, update, let it run a full scan
update NOD32 and run a full scan. Let it delete all it finds
If it has expired, then you might as well uninstall it and get a free one
save the log from malwarebytes to the desktop
look at the log
see if it has infections and see if they were removed
restart
If the problem is fixed great
if not, look at the log and see if you can identify the files that were not fixed
post that in a new message including that you did the safemode attempt already
https://answersrip.com/question/index?qid=20110102151130AAP5lUX