I AM PISSED! MuseScore 4.4.4 crashed twice, and then won't restore my score!

I had a score that had some style features and sounds saved like I wanted them, and when I finished with that score, called Hosanna, I went to write a new score. Instead of setting up everything, I made a copy of the Hosanna score and then erased the music to start a fresh score, while keeping my settings and sounds the same.

I updated to 4.4.4 today from 4.3.2. At first I liked it, but I've been very skeptical of updates, because 4.3.2 is the ONLY version I have gotten to work for playback decently with my Opus sounds. Everything else is TRASH, especially when exporting - I've already complained about that with not much help, other than it's a known error will be fixed down the road.

The issue I have today happened not more than 15 minutes after updating - not a good sign! Muse kept crashing on me. The first time I relaunched after the complete crash, it asked to restore the music. I clicked yes. And it restored most of what I had completed to that point.

Not more than 30 seconds later, it crashes again!!!!! When I relaunch, and choose yes to restore again, it takes it way back to the completed Hosanna score that the file originally started with. I assume if I started with a blank file, upon the second restoration, it would have just been blank! I had about 10-15 measures of original work for the orchestra written out and now I am very mad because it's gone!

If 4.4.4 is this unstable, I cannot complete my work for the Resurrection Cantata which rehearsals begin soon. I need an update that will fix this or I will be looking for a paid, professional application.