You can see the website here:
Ever since I get an occasional advertisement window when opening my browser and the internet connection is very week (I think it takes bandwidth away!?). No spyware removal software seems to get rid of this, I tried Windows Defender, Spyware Doctor and a-squared.
I am not sure if this is the cause or something else, but cant find any solution in google - thanks for your help.
I havent posted a HijackThis log yet because it is just about the principles.