obs disappears after launch

I'm having problems with my OBS. This morning, I received a message about Safe Mode. I tried various ways to fix it, but I couldn't get into OBS. I reinstalled a new version, but it didn't help. I also tried version 28, and that didn't work either. Searching the forum, I found a suggestion to...

So I have not used my PC for a good 3 months. Pre-changes: The software used to run fine, but when I started launching it, the issue suddenly appeared. The launcher already had admin privileges, so it asked me whether I want to make changes to my PC. I clicked "Yes." The mouse would have a...