The Windows 7 Sidebar and Gadgets do not work correctly if a user disables the User Account Control in Windows 7. There is however an easy way to make the gadgets and sidebar work again without having to replace system files (that was the way suggested in many forums).
All that needs to be done is to change one value of a parameter in the Windows 7 Registry to make the sidebar and gadgets work even with UAC disabled.
Open the Windows 7 Registry by pressing [Windows R], typing [regedit] and hitting [enter]. Now navigate to the Registry key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Sidebar\Setting and change the value of AllowElevatedProcess to 1.
Restart the computer or logout and login again to see if the changes work as intended. The Registry setting ensures that the gadgets and the sidebar are working in Windows 7 properly even if UAC is disabled.
This post was originally written for Windows 7 beta but since the Windows 7 RTM has arrived the reg path has changed to:
You should probably notice that settings is not present so you will need to right click sidebar and create key called settings. Once created you will now need to create a “DWORD” inside settings called “AllowElevatedProcess” and giving it the value of 1 when asked, click ok and then logoff and then log back on, you should now find your gadgets working without fault.