Product:
Cognos Controller 8.4

Symptom:
New install of Cognos Controller and when you run a standard report
(Like maintain – rights – reports – users) you get a error when you select the format XLS.

The view of the standard report in HTML and PDF works fine.

Error dialog:
A critical error occurred in Controller Link, probably due to missing file(s),
And you won´t be able to work with it.
Please contact your system administrator.

Error Descr:
Fil- eller sammansättningsnamnet ControllerXLPusher, eller ett av dess beroenden, hittades inte.

Cause:
The excel.exe.config file that direct Excel to use the correct version of NET framework is not in correct folder on the client computer.

Solution:
Copy the excel.exe.config file to same folder as the excel.exe file.
For Excel 2003 that is folder C:\program files\microsoft office\office11.