Try downloading this:
http://www.chip.de/downloads/c_downl..._11353582.html
Then go here and print the instructions. Run "HiJackThis" (Instructions on HiJackThis:
http://hjt.klaffke.de/en/ and
http://tomcoyote.com/hjt/ ) and delete the stuff your told to on this page:
http://www.spywareinfo.com/articles/hijacked/#removal
If that doesn't help try this:
http://forums.spywareinfo.com/index.php?showtopic=29112
If that doesn't help, try this:
http://computercops.biz/postp325089.html
It seems like a lot of mumbo jumbo, but just read the parts you understand and don't let the code fool you. You just need to find something similar on your computer and delete it.
After that, go to Windows Update and install ALL updates it recommends you to.
Ice