How long ago did you last update?
There was an update to version 3.8.15, and another to 3.8.16, a couple of days ago (I think one of these introduced that problem), and an update to that release (still 3.8.16) about 32 hours ago which I'm pretty sure fixes it.
There was an update to version 3.8.15, and another to 3.8.16, a couple of days ago (I think one of these introduced that problem), and an update to that release (still 3.8.16) about 32 hours ago which I'm pretty sure fixes it.
You're only paranoid if you're wrong 

I'm using an Onyx Boox Tab X, and play low brass: mainly 'Bone and Tuba