Virus Problem

I'm pretty sure I've got some sort of virus or have somehow messed something up myself trying to get rid of viruses. My main problem is when i double click on an icon to open it an error comes up that says "Application not found". Any feedback would help.

Thanks

Please visit this webpage for a tutorial on downloading and running ComboFix:

http://www.bleepingcomputer.com/combofix/how-to-use-combofix

See the area: Using ComboFix, and when done, post the log back here.

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