This issue dates back nearly a year now from InDesign CC 2015 for
Windows when the Overlays panel was updated. When overlays is clicked,
options appear on top of each other as shown in the attached image. When
this happens, the options are un-clickable and can't be used. The only
way to fix this is to go into Appdata Local and Roaming folders and
rename the en_GB etc folders to OLD. That resets it temporarily, but in
order to do that you have to close out of InDesign go to the folders,
rename, t...