I have a problem when creating an Excel Workbook application using VSTO. I can add one control, e.g. a Button but if I try to add another a dialog pops up saying "Visual Studio has encountered an unexpected error." If I create a Word application everything works ok, i.e. I can add more than one control in the document. I have added no code to the project.
I am running VS2005 Team System Developer Edition with Service Pack 1 installed. I have also upgraded VSTO to SE. I am running Office 2003 with the latest service pack. I have tried to uninstall and reinstall everything without any success, the problem remains.
Does anyone have any idea what can cause this problem
Any hint or proposal of how I can try to nail this problem is appreciated, I have run out of ideas myselft.
BEzt regards