Hi, my computer has a trojan virus.
I have tried Norton, Spybot, Nod32 and am now on a Kaspersky 30 day trial. They have all detected the virus but on system reboot it comes back. When i try to delete the file it says "access is denied and make sure the disk is not write protected or full and the file is not currently in use".
It is making my comouter run slow and ads keep poppng up when i am on the internet.
I have heard that one way to get rid of it would be to reformat the computer but what does that involve.
Please can anyone suggest a good antivirus that will clear all the rubbish from my computer.