Workbook_Open sub won't run when I open the workbook?

Question

This program is supposed to create a button that the user can press to activate a different sub. From my searches online, it seems that the sub below should activate when op

Answer 1

Similar to Nazim's event enable via code solution I found out the following fix:

the fix

closing all excel workbooks and VBA windows and reopening the one with Workbook_Open() solved it.
(likely due to the event enabling similar to Nazim's solution linked above).

problem experience

As I was debugging and aborted execution, I disabled the events in the running code before abort. I did not notice this circumstance at first and even after close/reopen of my workbook it did not work...

probable cause

...The other open excel workbooks or some global instance somehow "remembered" that the events of the reopened workbook had been turned off.