Quote Originally Posted by mikeg71 View Post
Thanks TysonLPrice... I did check that and I do have multiples running in Task Manager. I will usually kill all of them and then test again, but then I get the same error. I have gone as far as testing on two separate PC's with different versions of MS Office with the hopes that would tell me something, but no luck. Same error
The first thing I would do is get it so after you run it Excel has been properly closed (no longer running in Task manager). If you Google how to close Excel properly from .Net you will get lots of hits. If you use the search feature here you will get hits also.