So recently my computer has been having a weird problem. Whenever I'm on youtube I get these pop up ads appear whenever I click on something. Not the usual ones that show up next to the video, I mean they just appear in a new window. I can't for the life of me figure out why it's doing this. First, I thought it was just a virus or malware. For virus protection I use:
Windows Security Essentials
I ran a boot up scan from Avast. If you don't know that means it runs a scan before your computer fully boots up. Also ran 3 separate full scans with all three of the programs. Picked up a few things here and there, but I still have this problem. Any other ideas on why or what I can do? I use Firefox as my browser btw.