Movie Maker Timeline Not Playing

[JennyAnnJ]

The movie maker timeline will stop playing when I do things like add a
transitions to the movie. I tried the help online but it was not taylored to
vista so it was no help. I am sure it is a vista problem with security.

 

[On Request]

There may be a problem with your source files. Have a look at this URL to
see if your imported files are among those listed as being incompatible.

http://www.myvideoproblems.com/Tutorials/MovieMaker/File_type_compatibility.htm

Also -- You may get a more direct answer to your question in another
newsgroup:

microsoft.public.windows.vista.music_pictures_video