XMLKA virus

Avast is constantly blocking xmlka and I keep getting an avast popup blocking hxxp://xmlka.com/click?app . I’ve ran a full and boottime scan in avast and ran adwcleaner but it did not work. Any help? Right now I’m really in despair!!

Edit: i use windows 8

https://forum.avast.com/index.php?topic=53253.0