Error handling

Murphy's lov siger:

Hvis noget kan gå galt, så vil det gå galt

Executables

https://medium.com/dreamcatcher-its-blog/making-an-stand-alone-executable-from-a-python-script-using-pyinstaller-d1df9170e263

https://pyinstaller.readthedocs.io/en/v3.3.1/installation.html#installing-in-windows

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python -m pip install --user pyinstaller python -m pip install --user pywin32