On Windows 7 the 'Hide taskbar in fullscreen mode' only hides the taskbar and doesn't hide the Start Orb, which stays on top of the MediaPortal window in some cases.

h4. Steps to Reproduce
1. Check the 'hide taskbar in fullscreen mode' in MP config under General-Startup/Reume Settings.
2. Run MP in fullscreen.

h4. Additional Information
The hide taskbar option hides the Shell_TrayWNd window class for hiding taskbar. For Windows 7, there's also the start button which has a "Button" class with "Start" as the window title.