thank you for your reply. On the system runs windows 7 64bit.
And as I pointed out, Java is installed and I am able to start Jabref with
"java -ja JabRef.jar" but the executable JabRef.exe is not able to do so.
2012/11/20 Oliver <olly98@...>
> > I must work at a PC without administor rights.
> Which operating system? Windows XP? Windows Vista? Windows 7?
> I tried JabRef 2.9b2 at Win7, 64bit, and it just works :)