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Hi @chrisw01a,

 

You might check the Task Manager ( ctrl + alt + delete) > Details tab, and see if you see a bunch of EXCEL.EXE tasks listed. If so kill them.

 

Often when I'm working on something like this, as I hit errors in the iLogic testing it abandons invisible Excel files and leaves them open because the code errors out before being able to close them. Really, a proper error handler to catch the errors and close the file would be best.

 

In any case, I think I've seen the behavior you mentioned when the file is open invisibly in the background, but I can't recall for sure. It's something to rule out though.

 

I hope this helps.
Best of luck to you in all of your Inventor pursuits,
Curtis
http://inventortrenches.blogspot.com