Gadget fix w/o activating UAC
This is all you have to do to activate your desktop gadgets w/o activating UAC.
1. Open the Registry Editor, or regedit.exe. You can search for regedit in the Start Menu.
2. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Sidebar\Settings
3. Right-click and create a new DWORD (32-Bit) Value called AllowElevatedProcess.
4. Right-click AllowElevatedProcess and click Modify. Set the value to 1. Close the registry editor. Your gadgets should work with UAC off now.
Enjoy