That suggests that the problem limited user doesn't have Windows XP
access rights to one or more data files or folders. This would most
likely be the Store Folder (Tools, Options, Maintenance Store Folder) or
the Address book WAB (open the address book and look at Help, About
Address Book for its location).
Each Windows logon should have its own OE store folder and WAB file.
How to take ownership of a file or folder in Windows XP
Hope that helps!