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[Steffan-68]

I tried it in PE 3.11.0, same issue.  Narrowed it down to line 27:
do: loop until screenexists = true
For some reason this causes the program to hang only in PE.  I've commented out this line in the code up top, should work for you now.
Odd, this code is functionally what the PE wiki recommends.  Seems like either a PE bug, or an obsolete wiki article:
https://qb64phoenix.com/qb64wiki/index.php/SCREENEXISTS

Yep, I've run into that too. Use
_DELAY .25
instead if a pause is needed for anything to "catch up".

Yes, that works too or it’s easy

do: loop until _screenexists

without the =TRUE

The WIKI only says

DO : _LIMIT 10: LOOP  UNTIL  _SCREENEXISTS