Lightroom Classic on Mac OS -- High Sierra Won't Open

Question

I just installed Lightroom Classic on my iMac running Mac OS High Sierra. When I try to open it, I get an immediate error message that the application cannot be opened. The "get more information" button on the error window sends me to the following old page on Adobe's webpage....Solutions to Adobe Lightroom Lightroom user permission issues on launch

I've tried the various fixes on this page (manually changed the file permissions, tried running the terminal script provided, etc.) and the only one that sort of worked was setting up an entirely different admin user account, logging into that account and running Lightroom Classic from that account. This is not a good solution since it is a totally separate account from my normal account with all my other applications, files, etc.).

I have also used the Adobe CC uninstaller and removed Lightroom from my system (as well as all the other Adobe CC apps), reinstalled multiple times and all to no avail.

Does anyone have any idea what is going on and any other way to fix this problem? Thank you for any help you may be able to provide.

Mohit Goyal · Accepted Answer

Hello . I found the most recent update -looks to be resolved Yes, It should be working fine after updating to Lightroom Classic CC 7.0.1 version.Lightroom Classic CC 7.0.1 now available Regards,Mohit

barkingcats · Answer

Summary: In my case, the symbolic link to the iCloud copy of the Documents folder was broken. I deleted and created a new one; the app then launched.

Longer answer:

My user Documents folder was stored in iCloud, and shared among multiple Macs (Preferences->iCloud->iCloud Drive Options... Store Desktop and Documents Folders in iCloud). Finder puts an alias in the home directory (~/Documents) that points to the new location of the Documents folder. For some reason, the alias was broken and no longer pointed to the real Documents folder.

When I ran the user permissions script, it gave a not-found error for that directory and didn't change anything. I used the Terminal app to delete, then create a new symbolic link in the home directory to Documents:

Norah:~ lhr$ ln -s /Volumes/lhr/Library/Mobile\ Documents/com\~apple\~CloudDocs/Documents ~

Re-running the user permissions script worked, with no errors. LightRoom then launched OK.

I can't think of a simple script that would check for and safely make this fix, given that it might need to delete something named "Documents" in the user directory before creating the new link.

This issue might explain why creating a new admin user account works, since that would also provide a new Documents directory in the right place.

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