If your Mac says it is waiting for other installations to complete even when none running, try the following on Terminal. Note that when using the "sudo" command you will need to provide an administrator password.
In Terminal... sudo rm /private/var/db/mds/system/mds.install.lock sudo killall -1 installd
Exit Terminal and re-run the required installer.
I usually write a blog post about once a week. The latest post can be viewed here: The Social Sciences: I hope you can see where my general frustration with social science comes from! (posted 2024-10-25 at 12:18:53). I do podcasts too!. You can listen to my latest podcast, here: OJB's Podcast 2024-08-22 Stirring Up Trouble: Let's just get every view out there and fairly debate them..