OK lets look deeper
Download ComboFix from one of these locations:
Link 1
Link 2
* IMPORTANT !!! Save ComboFix.exe to your Desktop
[]Disable your AntiVirus and AntiSpyware applications, usually via a right click on the System Tray icon. They may otherwise interfere with our tools
[]Double click on ComboFix.exe & follow the prompts.
When finished, it shall produce a log for you. Please include the C:\ComboFix.txt in your next reply.