Hello ferman-k,
You've got a lot of work cut out for you......Your first step should be to rule out Malware:
go to this website and download these programs:
MalwareBytes Anti Malware.... http://www.malwarebytes.or
and/or SuperAntiSpyware http://www.superantispywar
Make sure you update to the latest versions.
Once downloaded (you may need to rename MalwareBytes, Combofix or other tools before saving their files to the desktop as Malware can recognize the name and block them unless renamed)
Go to Start-Run and type:
Msconfig
Once in the application, go to the services tab and "hide all microsoft services" select the remaining and disable". Then go to the Startup Tab and disable all entries.
Reboot.
After the system boots it will give you a warning regarding the changes made by msconfig. Select do not warn me again.
Now you can run the anti Malware applications recommended above.
If the problem persists...go to http://www.bleepingcompute





by: compuiterPosted on 2009-10-04 at 16:07:53ID: 25491489
Its very probably that you have a virus, try removing spywares / virus with spybot, combofix, and any other anti trojan remover. What version of internet explorer do you have?