Some useful run commands in windows xp:

Compmgmt.msc - Computer management

Devmgmt.ms - Device Manager

Main.cpl - mouse properties

Gpedit - Group policy editor

Regedit - Registry editor

Msconfig - System configuration utility

Dxdiag - Directx diagonostic tool

Fsqirt - Bluetooth transfer wizard

Drwatson - Dr Watson, an inbuilt utility which reecognises if there is any application that is not working properly.