Posted 31 January 2009 - 09:53 PM
First, a few questions to help narrow down the problem...
Is the computer connected to the Internet directly, or is it connected to a router?
Is the computer connected via a wired or wireless connection?
Are you able to ping any web servers, such as google.com?
What firewall or other anti-malware software do you have installed on the computer?
The only way to learn anything is to question everything.