What's the URL that Web Help takes you to?

There's already an MJPEG codec on the system. It should work. PapaJohn's
suggestion might help you replace it if needed though, but that shouldn't be
needed.
AVI vs avi doesn't matter - the system is case-insensitive here.

--
Speaking for myself only.
See http://zachd.com/pss/pss.html for some helpful WMP info.
This posting is provided "AS IS" with no warranties, and confers no rights.
--
"John Hanley" <jphanley@ix.netcom.com> wrote in message
news:esWycIFZIHA.4896@TK2MSFTNGP06.phx.gbl...
>I have a Canon S3IS digital camera which can take movies. The movies
>show
> an .AVI extension and (I think) use an MJPEG codec. After transferring
> the
> movie files to my (Vista) hard drive, their behavior is erratic:
>
> - The movie files *will not* play in Windows Media Player. The WMP
> error
> message is: "Windows Media Player encountered a problem while playing
> the
> file". Clicking on Web Help reveals: "You've encountered error message
> C00D11B1 while using Windows Media Player."
>
> - The movie files *will not* play in Windows Media Center; WMC says
> "Cannot
> Play Video - Windows Media Center cannot open the file".
>
> - If I import the files into Windows Movie Maker, WMM appears to play
> them,
> but the preview screen is black.
>
> - GSpot reports that the file is a Motion JPEG, and that "Codec(s) are
> Installed".
>
> - The movie files *will* play using Canon's ZoomBrowser EX program (came
> with the camera).
>
> Related Info:
>
> - Both WMP & WMC play my .wmv files just fine. I also have one .avi file
> from a different source which plays fine.
> - The file extension on the AVI files that will not play is .AVI
> (capitalized); the file extension on the avi file that will play is .avi
> (lower case) -- probably does not matter?
>
> Will appreciate clues on where to look to solve the issue. Thanks.
>
>