There are many reasons for such an error including a corrupted message
store, use of some Office programs, etc. Try reviewing the links on this
search site and see if any of the linked articles give you some help since
you really don't give us enough info to be of more help:
http://www.google.com/search?source=...Amicrosoft.com
Good luck.
--
Jim Pickering
MVP-Windows Mail Applications
Please reply to newgroup only
"Shelley" <Shelley@discussions.microsoft.com> wrote in message
news:15D7E01C-4DFC-4DC4-961D-0A8819C32CF1@microsoft.com...
> Messages in my inbox are disappearing! I can still see them listed, but
> when
> I try to open them, I get a "message cannot be found" error message! Any
> ideas?