Help - Virus?

TSG

New Member
When I switch my laptop on (XP Pro), I can't load internet explorer, and a process called svchost.exe with the username 'NETWORK SERVICE' is using all my CPU power according Task Manager. If I click end process, internet explorer works again for a while but I get pop up adverts everywhere. I have run spybot and it came up with nothing. I tried to run AVG but after a while it says it has performed an illegal operation and exits. I cannot update AVG as I get 'Invalid CTF file'.
According to the AVG website, this is because of my DNS settings, but everytime I set them to what AVG recommends, they automatically change back to a different one that is not the same as the other computers we have.

Are these problems related, and how do I cure it?

Cheers all.
 
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