my computer slow and i run many software (Spybot - Search & Destroy,ATF Cleaner,AVG Anti-Spyware,SUPERAntiSpyware Home Edition ,AVG,Bitdefender v10,and others)and clean the malware,virus,trojan,and others.after that i uninstall all of this software. and i don't know why my system run slow. last time i play warcraft,and i open and play. but now i open it,it take some time to launch and go in the game. another example show my system slow. when the window logon,it stop at logon screen and take long time to see my desktop screen.