My laptop is infected?

Every time i go on the internet it comes up saying your computer was infected with an unknown trogjen, click here to install antispyware and remove the virus .

I have norton anti virus and have ran several scans but norton antivirus says everything is ok....!But it keeps coming up..

Any ideas

Thanks

Gary

My laptop is infected?norton antivirus

You have a Smitfraud Trojan it is trying to get you to install fake software so it can make money. You seem smart so probably didn't download. You did the right thing when you asked this question

Download Smitfraudfix

http://siri.geekstogo.com/SmitfraudFix.p...

1. Download SmitFraudFix by SiRi and save to your Desktop

2. Reboot your computer in SafeMode.

* Restart your computer

* Just before the computer begins to startup and before loading Windows press F8

* A selection menu should appear

* Select the line that says 鈥淪afe Mode鈥?br> * At logon prompt, log in as the usual user.

* During Windows Start process it will prompt you if you would like to continue running in SafeMode, press Yes

* You should now see your Desktop but in a low resolution mode only.

* Make sure no other application or windows is open.

3. Double-click on the Smitfraudfix.exe file which you downloaded earlier on your desktop. Press any key when the credit screen displays to proceed to removal procedure.