in case of this error: unfortunately our users can not start the service via the pdf24-assistant for themselves, the option is active but does not work (they are normal users without any admin rights)

Have the same at our site with one machine. All others working well. Can't find the difference. see here https://help.pdf24.org/en/questions/question/automatic-pdf24-start/

Exactly the same at our site. More than 80 machines running perfect (mixed W7, W10). Only one Laptop offsite has once or twice a week the problem that the PDF24 service doesn't start automatically. Fix...