Hi! Yesterday I went to work on an Indesign file of mine which then auto-quit with an error message saying that I wasn't signed in. I was, however, signed in to Creative Cloud at the time. I checked my signed-in status and tried to open Indesign from my Start panel, but it doesn't open. Creative Cloud won't let me uninstall and re-install because it says I must first close Indesign - even though it's not open. I'm using Windows 10. Having shut everything down and re-booted this morning, I've just gone through exactly the same cycle. Really not sure what to try now!