This was a problem with Vista and there was a hotfix for this which was, I believe, included is SP1. But I am seeing the same problem with Windows 7. After using"Windows+L" to lock my laptop while I have an RDP full screen session open it causes the Windowskey to stick.So that when I log back onto my laptop and use my keyboard Windows 7 assumes that the Windows key is pressed with each key I press.John Negus MSEtechnology

Hi, Thank you for your feedback. Its a known issue and the bug report was forwarded to our internal department. Thanks.