Obviously, I cannot test of the recommendations below. You may also
want to search support.microsoft.com on the subject.

Try Help | Detect and Repair...

If that doesn't help, reinstall by using the CD containing the Office
XP Pro software. Select the custom install option and ensure you
install the Analysis ToolPak.

--
Regards,

Tushar Mehta, MS MVP -- Excel
www.tushar-mehta.com
Excel, PowerPoint, and VBA add-ins, tutorials
Custom MS Office productivity solutions

In article ,
says...
I opened my Excel this morning and was informed by a system message
that the file "funcres.xla" is could not be found. How do I resotore
it? I am using Excel 2002 SP-2 that came with my OFFICE Professional
XP edition.

--<space
Ahí namá,

Don Bigote de la Lancha