Mm2PL

After a little googling I found that `0xc0000409` is `STATUS_STACK_BUFFER_OVERRUN`. The [StackOverflow thread](https://stackoverflow.com/questions/23409809/windows-7-exception-code-0xc0000409) also mentions Qt but the crash is in the app itself not `ucrtbase.dll`. Edit: It might not...

Schrödinger's bug 

I can't see why this is that big of an issue. I would hate to have to add another label to every pr I open for basic issues to be...

The way I'd do this is: - write the settings into a temporary file - if the write failed, bail. Otherwise: - rename/move old `settings.json` to `settings.json.bak.whatever` - rename/move temp...

I'm gonna take a look at this.

How exactly is this different from a /live split?

Don't we hide the settings window because it's slow to load? I think this is the direct consequence of that.

@fourtf, @pajlada, @zneix, it's about time to decide if this PR is good or one that we should close.

Actually this still may crash if the split isn't in the main window

I suspect GStreamer + PipeWire for being the cause of this issue.