Aero Bug

Hey there,

Everytime when I start Cubase 8.0.30 Build 536 64Bit - I receive this error message
http://www.youscreen.de/klangarchitekt/C8_Aero_Bug.jpg

Then I have to open a terminal and enter this lines.
net stop uxsms
net start uxsms

This solves the Aero problem, but I want a permanent solution.
Can anyone help?

Thx,
Stan