Onenote 2007 Stopped responding and deletes active page

[GregS]

I'm running Onenote 2007 on a Toshiba Tablet M400 on Vista Enterprise. in
the past couple of days, Onenote 2007 has stopped respondng. The problem is
that it deletes the active page when it does this. Is there any way to
recover these "missing" pages?

And an even better question, why is Onenote 2007 deleting the active page
when it does this?