1. Click on start and type regedit on search bar
2. Now navigate to follow registry key in left pan of registry editor
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Curr entVersion\Sidebar\Settings
3. Right Click in right pan of registry editor to Create A New DWORD(32 Bit Value) with name “AllowElevatedProcess” and set value as “1”.
4. Now close registry editor
5. Right click on desktop and add desktop gadgets to confirm Desktop gadget and sidebar working properly