MuseScore 3 crashes on startup

• Oct 23, 2020 - 04:41

Windows 10 (October 2020 update). Whether I open from start menu, from command line, or by double clicking on a .mscz file, it always crashes while at the startup screen.

The only way to get it to open is to pass the '-s' option on the command line, but then I can't play back the music :-\

Also, the crash reporter tool doesn't work - when I click on 'Send report' I get a dialog that says 'Error while uploading crash report: Host requires authentication'.

Any suggestions on what info would be helpful to provide? I tried running with '-d' but got no useful debug messages in the console.


Comments

Tell us which operating system you use and everything you can about the sound card and midi devices you have connected.

In reply to by mike320

Already mentioned that I'm using Windows 10 (October 2020 update). 64bit.

Sound card is a class-compliant USB interface (Alesis iO2). Doesn't have any special drivers for it. I have a MIDI keyboard attached but I have typically just let MuseScore do its own thing (not sure if it has an internal synth or sends it to the Windows wavetable synth by default).

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