How to Automatically Replace Missing Dll in Windows XP

1. Boot up your computer and log in to the Windows XP operating system with the Administrator account or a user account that has Administrator privileges.
2. Click on 'Start' in the lower-left corner of the screen, then click 'Run.'
3. Type 'cmd.exe' in the Run window.
4. Press 'Enter,' then put the Windows XP CD into your computer.
5. Type 'sfc.exe /scannow' into the command prompt and press 'Enter' to run the automatic process to replace any missing DLLs on your computer.