Hello, bit hard to describe and it seems to be recent. If I have a book panel open and I close all open documents, what I am often seeing is a document opens by itself as if I have clicked for it to do so, which I have not.
Its not exactly world ending but wondered if anyone else had noticed this? I have two screens, the books panel then jumps from the one screen over to the other as the document is opening.
I would like to know if resetting preferences as suggested above worked for you? If not, I would request if you can share a few more details like:
To enter Safe Mode in MAC please refer to this link: Start in Safe Boot mode for Adobe products on Mac OS X
In my case, I am using Adobe Acrobat Reader DC
This is the Adobe InDesign forum. Please ask this question on the Adobe Reader forum.