UR28M and CUBASE 7.5 crash

does anybody know why CUBASE 7.5 crash when I plug UR28M USB into my computer?
Espcially by CUBASE start up(Steinberg hub).
E license and serial or any other authorization have been done successfully.
If I plug the UR28M out and run the program, there is no problem
but I can just choice the low latency audio interface…
It would be great if anyone could help me out!!!