How to Repair a Missing Dll File in Windows XP Professional

1. Locate a copy of the missing DLL file. Search online archives of DLL files or copy the file from a system that has a working version of the DLL file you are missing.
2. Move the DLL file into the 'C:\Windows\System32' system folder. Overwrite any files that already exist.
3. Click 'Start' and choose 'Run.' Type 'cmd' and press 'Enter.'
4. Enter the command 'regsvr32 {file}.dll' where {file} is the name of the missing DLL. Press 'Enter.'
5. Restart the computer to complete the process.