maybe this can help you out
http://windowshelp.microsoft.com/Win...5cf511033.mspx
Stop other people from connecting to your computer
Applies to: Business, Enterprise, Ultimate.
Which edition of Windows Vista am I using?
If your computer is connected to a network, network policy settings might prevent you from completing these steps.
You can prevent people from connecting to your computer remotely. Remote Desktop connections are disabled by default in Windows, but if you have enabled them, and you want extra security for your computer, here's how to disable them.
1. Open System by clicking the Start button Picture of the Start button, clicking Control Panel, clicking System and Maintenance, and then clicking System.
2. Click Remote settings.Administrator permission required If you are prompted for an administrator password or confirmation, type the password or provide confirmation.
3. Click
Don't allow connections to this computer, and then click OK.
"reverse 3rd command, uncheck Don't allow connections to this computer"
TumBur
please respond if failed or succeded