I think I found out what was causing it as in a Google folder in Application Data had two files one of which had the Windows Firewall icon. Some of sort of virus or bug that infects the firewall and stuff, I guess.
I was really at my wits end for a while, but I decided to try out the system restore and it seems to have worked, but I'm still concerned that I could still be infected even though I can browse the internet now.
Is there anything I should do?
I did install Firefox and it seems that my computer meets the requirements for that 0day thing (XP and IE7).
Edited by djangoo, 14 December 2008 - 01:35 AM.