Typing in note on Windows 10, suddenly window blacks out

I’m using a Windows 10 machine, Obsidian 1.1.16, I’ll be typing in a note when the window blacks out. It’s just the window. If I cascade windows, there is a black rectangle where Obsidian should be. I need to shut down the application and restart it to continue my session.

It seems to save my work up to the last character I typed before the screen blacked out. It has the very last character. More likely to happen when I type very fast (50+ wpm) but not if I type very slow. There isn’t any windows border when it does this.

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