Antivirus 2009 has infected my computer and is popping up everytime I try to do something on my computer. I have Norton Antivirus protection and it says I am secure but Antiviruis 2009 says it finds all kinds of infectiions.I cannot get id of it. They need to be kicked off the internet for ever. They are driving me up the wal. Please tell me what to do.

im constantly attacked by antivirus 2009, i cant even browse the internet, i hear they have stolen creditcard details, why is this company still running?? i want rid of them!