Computer started acting wierd yesterday and i duno why. I cant double click anything i have to right click open them now. when i run internet explorer by quick launch it opens two IE's. When i open a new tab in IE and then click the old tab the tab i click closes.This happens in firefox to. When i left click the middle mouse scroll thing comes up. Iv tryed Nortons antivirus, AVG free edition, Spybot, i obit sercurity 360 and malwarebyte and notin comes up iv even rebooted and this problem still comes up. Anyone know what could be wrong??