It's actually a copy of your address book, and it's the result of a bug in a
recent hotfix. Microsoft is aware of the issue, but no fix has been
published yet. It happens whenever you open your address book. You can
safely delete the file in the meantime.
--
Best of Luck,
Rick Rogers aka "Nutcase" MS-MVP - Win9x
Windows isn't rocket science! That's my other hobby!