you could try process monitor
there is nothing to install...
...just copy the exe from the zip file and paste it on your desktop.
Filter on the process named excel.exe
When an error comes up, don't click on the error - just leave it
Then look at the info in process monitor
(starting at the bottom and work your way up)
below is a link to a post with some info on using process monitor...
...but you won't de-select the buttons/icons shown in the right part of that first image: Missing start menu icons