Close all programs, Run the following files then restart your PC

regsvr32 wmpdxm.dll
regsvr32 wmpasf.dll
regsvr32 wmp.dll

hope it works for you.
Sam

"DanaDark" wrote:

> I use Windows 2000 and I get error message 80040241 "The source filter for
> this file could not be loaded". This prevents me from playing any windows
> media player files (videos, music etc) from the internet. Such as music
> videos from yahoo and such.
>
> I have reinstalled WMP several times to no avail and have updated it
> completely, this error just happened overnight, one day it worked, next day
> it didn't.