Reset and the worx doesn't help, unfortunately! Still having the same issues after trashing, uninstalling, reinstalling, updating, resetting and whatever I could find in forums or could think of myself --> InDesign cc 2017 latest update on Windows 10 latest update. I had the same problem recently with Photoshop CC 2017 when it came out and after several attempts, reinstalls, resets, etc. I resorted to CC 2015 --> I did the same now with InDesign: loaded CC 2015 and am forced to work with that. CC 2015 is running ok and at least I can continue working!
The blinking cursor also appeared and annoyed me in other programs I switched to, until I quit InDesign ...if that is any help in finding the problem.
Thanks for trying though.
I have found another forum with the same problem, this time for Illustrator and one help suggestion finally did the trick!!! Deinstalled Web Companion and voila....! Thank you!
I've had this same problem with Illustrator and InDesign 2017 after an update two weeks ago. I went through the live chat support and was informed the root of the problem - the latest update installed a third-party application, 'Web Companion - Lavasoft,' and it was causing problems with my Creative Cloud apps. I simply uninstalled the application, as he directed me too, and everything is working perfectly again!
I do have the Web Companion Lavasoft on my laptop but it was not installed after I installed InDesign. It was installed a year ago and my research shows that it is an Ad-Aware security program. Do you have ads coming through since you uninstalled this program?