You can use Hijackthis > config > backups to restore that item
reboot the PC after doing so
If you havent already read the faq's about NVIDIA's firewall and try it.
Are you on a network ? if so which pc connects to the internet ?
Lets see if avg antispyware helps with your current problem
http://free.grisoft.com/doc/download.../frt/0?prd=asf
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