|You are welcome, let us know if you can get online in safe mode.|
As we don't know what type of virus you are talking about, you may want to download these progs on another PC and put them on a thumbdrive or burn them to a CD and then use them on the problem PC
2- trojan Remover
3- hitman pro
Try those for starters and remove all they find.
To access the internet on the problem PC you can open IE, click on tools/internet options/connections/Lan Settings and then uncheck use proxy server if it is checked. Then close out and re-open IE to see if you can get online.
Some HELP in posting on Computing.net plus free progs and instructions Cheers