msxml4.dll error when you are installing and running some programs, Windows start or shutdown, and even Windows installing.

Common msxml4.dll error messages
- "Msxml4.dll Not Found."
- "Cannot find [PATH]\msxml4.dll."
- "This application failed to start because msxml4.dll was not found. Re-installing the application may fix this problem."
- "The file msxml4.dll is missing."
- "Cannot start [APPLICATION]. A required component is missing: msxml4.dll. Please install [APPLICATION] again."

How to install msxml4.dll file?

1. Press Start and select Run
2. Type CMD and press Enter (or if you use Windows ME, type COMMAND)
3. Type regsvr32 msxml4.dll and press Enter
4. In the end, you should receive a message saying that your file was successfully installed or uninstalled.