UnrealEditor.exe disappears after first use.

I am at my wit’s end here. After cloning UE5 from Github, running the startup and generateprojectfiles .bats, I can get successful builds in both VS2019 and VS2022. BUT, after launching the UnrealEditor.exe… it works! I make my selections to create a new project, and the UE5 launcher closes and deletes itself from my folder. The new project I created failed to open. I have to rebuild from VS, but the same thing happens. Every first open is successful, but as soon as UE5 closes it is gone again. Has anyone had similar issues or know a fix? Any help would be greatly appreciated.