I have a file I use daily that has a macro that starts with
Application.ScreenUpdating = False
to stop the updating of the screen because the macro switches to a few other worksheets. Of course, the value is set to True at the end of the macro.
Yesterday I received the Insider Update (that added 14 new functions!), and now when the macro executes that line of code, the entire worksheet area - between the formula bar and status bar - goes blank!
I tried running a repair on Office, but the problem persists.