Opening darktable on new pc, just immediately starts-stops

darktable is FOSS, created and maintained by interested programmers in their free time, supported by users (partly running development versions of the software) reporting issues, others writing articles for the manual or providing videos, packagers creating packages for Linux, executables for Windows or …

Bugs (or incompatibilities) will not “heal automagically”, they need to be

  • reported by users (the more details provided what happens or how to reproduce, the better). logs are usually of great interest. So far i don’t see any useful log that you have provided. @kofa gave you an excellent list of steps how you can do this.
  • fixed by a developer beeing interested and spending their free time

Usually this is an iterative process, sometimes taking some time and back and forth of communication. Just waiting for a stroke of luck someone else will come across the same error and reporting is rarely successful. That’s not how FOSS works…