Without knowing anything more than you posted, try a new mail profile.

--�
Milly Staples [MVP - Outlook]

Post all replies to the group to keep the discussion intact. All
unsolicited mail sent to my personal account will be deleted without
reading.

After furious head scratching, Stu Littleton asked:

| How to recover from Outlook 2003 error: "Cannot start Microsoft Office
| Outlook. Unable to open the outlook window. The set of folders
| coulders could not be opened."