See if this info helps:
http://support.microsoft.com/kb/293058/en-us

If not, please mention which version of Outlook you're using.

"Kathy_in_Corfu" wrote in message
...
the .DLL file for the information service could not be found. MAPI was
unable
to load the information service PSTPRX.DLL. Be sure the service is
correctly
installed and configured.
Can anyone help with this?