Hi Weirdwasadopted,
Thanks for your post in Microsoft Community.
I understand you are having issues with groove music crashing.
I noticed there are some solutions in the first post you referenced, have you used any of these? Among them it may be faster to reset and reinstall Groove.
This software has fewer troubleshooting methods, and several solutions provided by Microsoft's official site do not seem to be very suitable for your problem.
Troubleshoot Groove player in Windows 10 (microsoft.com)
If none of the above solutions (including the reset mentioned in the post you referenced) solved your problem, I suggest you try an overwrite install of your Windows. You can click here to download Windows 10 and follow the instructions for an overlay installation.
This process will not affect your data and programs. This is not a reinstallation and reset of the system, but a repair process. It won't waste you a lot of time.
Please feel free to let me know how it goes.
Kirk | Microsoft Community Support Specialist
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