Run this online virus scan ,make sure you check off auto fix .
http://housecall.trendmicro.com/hous...start_corp.asp

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And after that, please do the following:


Download 'Hijack This!'.HERE
Download link is on the left

Unzip (extract) it to a folder of its own.Like c:\HJT\hijackthis.exe , Then Doubleclick HijackThis.exe (in the new folder), and hit "Scan".
When the scan is finished, the "Scan" button will change into a "Save Log" button.
Press that, then Ctrl-A to Select All, and copy its contents here. for hijackthis,most of what it lists will be harmless or even essential, don't fix anything yet.



reboot computer and post a new hijackthis log