I tried uninstalling and reinstalling everything...just won't work!
I've had to go back to 5.8.2
Anyone else have a problem? Did you sort it out?
Edit:
oops, I should have searched

anyway, my DAWs are Sonar Platinum & Cakewalk by Bandlab. I even tried an old Sonar 8 Producer. Most definitely 5.10.2 is borked