Now here is a cool funda that is both beneficial and a headache.Beneficial for those who are sick of the people who sit at their desktop and change the settings, the wallpapers etc. and headache for those who do not know about this trick and have left their desktop to the one who knows this trick.
As you might have already guessed the following funda disables the right click on your desktops.

To disable the right click on the desktop:
1. Start Regedit Through Run Command

2. Click Start
3. Select Run Command
4. Type Regedit
5. Click OK
6. Go to HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Policies \ Explorer
7. Add a DWORD and give it a name of NoViewContextMenu
8. Make DWORD value as 1
9. Restart the system.
Then the desktop will be restricted.