Start in safe mode and follow this bellow, I suggest you print it.
To remove follow these step's closely, go to start\find\files or folders type in the box sofos click enter key delete all the entry's it finds with sofos in it. Next go to start run type regedit and press enter, go to menu under edit click find in the box type sofos and press enter it will bring up only one entry at a time, press delete key then click ok to confirm to go to next entry press F3 and delete do this until you get to the end of the registry. DO NOT TOUCH ANYTHING ELSE IN THE REGISTRY other than sofos then reboot your computer.
Also it would be a good idea to download Reglean and run that in safe mode also.
click here PS The Page was a bit slow loading so be patient
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