I have application errors with just about every file (except my web browser) if I want to start it. An example of Minecraft.exe would be
Anything done (data veschoben, HDD exchanged, etc…)?
Neither.
The error code means "Access Violation", which can have many causes.
Here are some solutions (English): https://blog.pcrisk.com/windows/12778-how-to-fix-application-error-0xc0000005
Mostly there's no important Runtime library. You did not quite randomly have your PC cleaned up by a program and deleted important Runtimes?
Since you can then reinstall Win immediately.