gosssimus 0 Newbie Poster

Ive been havin a series of problems with my laptop, i am currently working of a colleagues laptop at present. My IE is not letting me surf the web, although plug gins, i.e my partypoker account appears to be running smoothly. This may appear to be a virus but my Avg dosent pick it up. On connection to the IE the home page does not appear, all it says is 'Windows cannot find http://.....and then the address. can anyone help
Dave