I have seen a lot of suggestions for this problem, and I have tried them all, but none seem to work. The VBA code is in a non-Microsoft product (SAP Business Objects, which
Most times this happens because Excel is keeping a COM Add-in open. Try using the link below for help on removing the COM Add-in.
Add or remove add-ins
I find particular comfort in the note:
Note This removes the add-in from memory but keeps its name in the list of available add-ins. It does not delete the add-in from your computer.