Then I went to the Apple Icon in the Bar and clicked on force quit. I clicked on Photos so that the word Photos showed in my Bookmarks Bar.

Once repaired, take a look around and make sure that all your photos, videos, screenshots, etc. Click Repair to rebuild your photo library.Press Option-Command and double-click the Photos icon in the Dock or in your Applications folder.Or Manually copy your photo library to an external storage device: Drag the Photos library (by default in the Pictures folder on your Mac) to your storage device to create a copy.If you use iCloud Photo Library, remember that only the photos and video in your System Photo Library are synchronized with iCloud.Backup your Mac (and Photos) if possible using Time Machine, iCloud Photo Library, or your backup method of choice.You lose any unsaved changes to open and unsaved files. If force quit isn’t working, force your Mac to shut down by holding down the power button until your Mac turns off. See if your Photos app seems to be working fine, and updates the library with photos taken recently. Power the computer back up and open Photos. Once Photos quits, shut down your Mac and wait for a few minutes. Press the Option key and then click and hold Finder in your Dock.Select Photos from the Force Quit list, then click Force Quit.Or try Command + Q to quit the application.Close the application using Command + W.SO the first measure to try is to force quit Photos. Sometimes we make things complex when simplicity saves the day. Stuck on “Closing the Library” Message: Think Simple Stuck on “Closing the Library” Message: Think Simple.

How to delete mac photos library 2018