Desktop

Was ICS setup using Administrator? I believe that after you have done this the details are cached and ICS will continue to work even when you log on with another profile. This article seems to offer nothing new and was all that I could find.

http://support.microsoft.com/?kbid=310651

Go to each profile and check the network status by holding your mouse over the network status icon (two computers) in the task bar (lower right). If there is no icon, go to Start, Control Panel, Network Connections. If it says that you are connected, troubleshoot as a firewall problem. if it says disconnected, you will need to reset the network connection. Doing this once while logged into each profile should fix it permanently. Each profile might have setup their own connection, or during use might have connected differently. Either right click on the network connection icon on the task bar and "open network connections" or start, control panel,network connections. Look for the connection method you are using (most likely "Local Area Connection") it should say "Connected, Firewalled". If it says Disabled, right click and "Enable" or if that doesn't work,right click and "Repair". It should change to "Connected..." If it says it is connected, then your firewall might be keeping individual programs from connecting. Try turniing off your firewall (not recommended, but a quick way to test) open up Internet Explorer and if it connects to your home page, the firewall was the problem. TURN your firewall ON. Now troubleshoot the firewall. Hipe this helps.