Hello 
Please download Combofix:
And save to the desktop.
Close all other browser windows.
Important-> Temporarily disable your anti-virus, real-time protection before performing a scan. They can interfere with combofix or remove some of its embedded files which may cause "unpredictable results".
Go to Start->Run and copy/paste: ComboFix /snapshot and hit OK. It should run Combofix.
Please note, that once you start combofix you should not click anywhere on the combofix window as it can cause the program to stall. In fact, when combofix is running, do not touch your computer at all and just take a break as it may take a while for it to complete.
When finished, it will produce a logfile located at C:\combofix.txt.
Post the contents of that log in your next reply
Do NOT post your problem in someone elses thread.
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