The best step-by-step procedure I've seen for this is here: Windows Mail problems
Scroll down to the section labeled "PROBLEM TWO".
Note: Be forewarned that this is a laborious and error-prone
procedure. You would be better off leaving your buggy Windows Mail
and upgrading to Windows Live Mail: http://get.live.com/wlmail/overview
The installer will seamlessly and automatically import all of your
WM accounts, settings, and emails.
Gary VanderMolen, MS-MVP (Mail)
"Joe Gill" <joegill@email@example.com> wrote in message news:%23cypEZKKJHA.1156@xxxxxx
> In researching a problem that I had with Windows Mail on Vista(pre-sp1), I ran into a couple of terms
> These terms were in the 'workarounds' for KB941090
> Rebuild the message store of Windows Mail
> Rebuild the Windows Mail folder
> Could someone give me a couple explanations?
> Are either of these action 'destructive' to messages in INBOX or other folders?
> Thank you!!