I keep getting an error "Operation cannot be completed, one or mo.

[BigMac]

I have just installed Office Professinal 2003. Every time I try to use any
of the features in Outlook I get the following; "Operation cannot be
completed, one or more parameter values are not valid" PLEASE advise!

 

[JR K Yoshikawa]

Here is Info from microsoft KB

You receive the "One or more parameter values are not valid" error message when you update a task in Outlook 2000 or in Outlook 2002

http://support.microsoft.com/default.aspx?scid=kb;en-us;197036

This info for Outlook 2000, and Outlook 2002,
but If this info match with your case,
follow instruction.