OK. I exported my settings, uninstalled, reinstalled, and it works fine now. 
Thanks for the suggestion. Sorry for the fire drill (pun sorta intended now that I’ve made it).
I swear, I’ve done precisely NOTHING to this tablet…it just decided to stop working. 
Thanks as always for the quick and effective help.
I’ve been kinda behind on my home automation stuff, but I’m eventually gonna be back to see what all is new. ABsolutely love my Sharptools setup.