Reinstall / Repair the Windows Vista Sidebar

For those encountering problems with the Vista Sidebar loading and gadgets disappearing: Open a Command Prompt as an Administrator. Enter these commands, pressing Enter after each line: Regsvr32 atl.dll Regsvr32 “%ProgramFiles%\Windows Sidebar\sbdrop.dll” Regsvr32 “%ProgramFiles%\Windows Sidebar\wlsrvc.dll”