SOMEONE PLEASE HELP ME MALWARE/VIRUS'S ATTACK!

I need help i currently downloaded a file thats one of those false anti virus protectors and i downloaded it from winiguard every time i use internet explorer it says warning insecure internet activity threat of virus attack and it happens every time i open a page!

Im on youtube and i click it a video IT BRINGS ME TO FUCKING GOOGLE SAYING Amatuer porn!!WTF?!!?

Any tips? Other then get a new computer.-.-

Easy Go to that fake virusscan:
C:Program FilesName Of Fake Virusscan)

Open All Dll Files And Other Files With Note Pad
Delete ALL The Text!
Save It,
Reboot,
Delete The Files

After This do A Virusscan..

Done!!

If Helped Thank Me!