Invalid number of arguments

[Lena]

When opening Excel.exe I get the error message: "Invalid
number of arguments", and then I'm not able to open the
program at all. What might be the reason for this? I've
tried to reinstall Office with no luck.

Thanks for all help )

 

[Dave Peterson]

And Chip Pearson has some notes at:
http://www.cpearson.com/excel/StartupErrors.htm

That might help you find the problem.