I believe I solved this now. It appears that additional dll are missing, at least for an Intel processor system. I followed the steps described here :
and it solved all issues and the jobs are running now in all Prepomax 2.2.x versions (earlier where running fine)
I added all required drivers, including the meshing ones mentioned above, in the link below. Hopefully it will help someone else one day: missing dlls - Google Drive
Instruction: Simply copy all dll to the folder ‘lib’