Vista - xxx is not set up to establish a connection on port "World Wide Web Service (HTTP)"

.....with this computer

Internet works fine for a while. then it stops working.

Get this error message when i got to diagnose.

I even bought a new router to fix this problem, but it still occured.

I had static IP with the old router, bought a new router, used DHCP, still the same problem.

when the problem happened , i turned off zone alarm and avg to see if it was causing the problem, but it doesnt seem to be, as the internet on this desktop dell pc still doesnt work

On the reboot, it always works- and when it stops working here on the desktop, on the wireless connection it transmits to my windows xp laptop- it does work, where on the desktop it doesnt

I never had this problem with my old router and windows xp, this is happening since i got vista.

I cant see any pre-installed software from DELL that could be causing the problem.

Can someone please help! When i google this error i get a lot of results but nothing so far to fix this problem. it is quite annoying and i dont see what could be triggering the internet to stop working for some random reason

Thanks in advance!

james

bump

I have this EXACT same problem. Did you ever get the answer on how to fix it?