Not good… 
On my end, the issue has simply disappeared : since my last post, I probably have launched Cubase nearly twenty added times and the driver is always making the contact with it, at the start of each session. 
Not good…
On my end, the issue has simply disappeared : since my last post, I probably have launched Cubase nearly twenty added times and the driver is always making the contact with it, at the start of each session.