How to restrict the installation of gadgets in Windows 7!

Want to restrict other users from installing gadgets to your computer! Then simply follow the3 steps given below,

1. Press Windows Logo button + R

2. Type "gpedit.msc" and press enter

3. Navigate to User Configuration > Administrative Templates > Windows Components > Desktop Gadgets and double click on the third option "Restrict unpacking and installation of......" and click on enabled. That's all!