finally, I was able to reinstall, reboot and so on.
Now it seems the local astrometry works.
I got the solution by local astrometry.net only by providing the scale for the blind solve, after 52 seconds.
I was not able to get the PlateSolve2 solution in any case. Here, I've provided the object name and the scale.
PlateSolve2 starts with good ra/dec hints, in 90x120 degrees area (?). No solution found.
any suggestion / tip to get this faster or to make plateSolve2 working ?