User Profile Issue?

I have a laptop running XP Pro SP2, workgroup setting, anti-virus and windows are up to date. I have a Linksys Wireless router WKPC54G with adapter WPC54G. The lap is obtaining IP address from the router’s DHCP server. There are 4 user profiles, all of which have administrator rights. I disabled the Windows Firewall to assist in the troubleshooting of the problem.

User Profile #1 is able to see the router and hit the internet no problem via Internet Explorer.

User Profile #2 is able to receive email via Outlook Express but is unable to get to the internet. User #2 is able to ping the router.

Users #3 & #4 can’t do squat!! Linksys support said it was a hardware profiles issue with the laptop. Does anyone concur or have any suggestions?

Thanks for your time!!