Hi,

What Excel version did you use?
For Office XP amd 2003 we have special PIA(primary interop assembly), I
suggest you install them first.

Office XP PIAs
http://www.microsoft.com/downloads/d...&familyid=c41b
d61e-3060-4f71-a6b4-01feba508e52

Office 2003 Update: Redistributable Primary Interop Assemblies
http://www.microsoft.com/downloads/d...83A-AC14-4125-
8BA0-D36D67E0F4AD&displaylang=en

NOTE: Office 2003 PIA is also installed with Office 2003 installation
program.

Also please follow the KB below to see if that works for you.
317109 Office application does not quit after automation from Visual Studio
.NET client
http://support.microsoft.com/default...b;EN-US;317109


Best regards,

Peter Huang

Microsoft Online Community Support
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