4.2.2 UI hangs/crash trying to open comp w Advaced... open

[Zoltán]

open Advanced output setup,
now open another composition,
the UI locks up/Arena crashes (have experienced both, on win and mac too)
and when you exit the advanced output setup with SaveAndExit the saved setup file will be empty which made The UI hang on restart, when I tried to reload the setup.(I can't recreate this last step however)
On Win the trigger for the appcrash seems to be any interaction with the Advanced output setup.
On mac the crash is sometimes automatic, attached crashlog.

R5 doesn't have this, but 4.2.1 has.

Another thing, I reCreated the output setup I lost, from blank, Saved as.. the same name as it had before, now I have 2 setups with the same name in the list, one empty, the other the correct one.
In the screensetup directory I only have the correct file.
On arena restart I only have the correct one in the list.
(BTW R5 handles this situation well too.)

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