The Problem:-When I open disk defragmenter tool and try to analyze or defragment the selected derive nothing happens.I have XP SP2.
Cause:-It happens if the DCOM Server Process Launcher service is not running or disabled.
Start>Run>Services.msc>ok Scroll down to DCOM Server Process Launcher.Double click on it and set Startup type to Automatic.Restart your computer.
Services Utility: DCOM Server Process Launcher Service
DCOM Server Process Launcher