Lightroom 5 [5.7.1]: Cannot be opened because of a problem. Mac OS X 10.10.2

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  • Updated 3 years ago
  • (Edited)
Purchased download for Mac from Amazon. Installs as version 5.7.1. Crashes when opened.

Downloaded Lightroom 5.7.1 for Mac from Adobe. Installed. Crashes when opened.

Repeated multiple times. No joy.

Screenshot attached.

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Derek Rustvold

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Posted 3 years ago

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Chris Cox

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Your installation is corrupted -- basically most of the application is missing.

You need to uninstall, then reinstall.
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Derek Rustvold

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BAD NEWS. Attempted multiple uninstalls and installs with multiple package downloads from Amazon and Adobe. Deleted Lr from Applications folder and /Library/Application Support/Adobe/Lightroom each time. Then reinstalled. No joy.

GOOD NEWS. Issue appears to be workstation specific. Installed successfully on a different workstation.
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Chris Cox

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OK, so probably something wrong with the filesystem on that one machine.
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Jeffrey Tranberry, Sr. Product Manager, Digital Imaging

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Try creating a new Admin user account and install Lightroom from the new user account to see if the problem goes away: http://blogs.adobe.com/crawlspace/201...

You'll want to download a version of the installer that can be licensed with a serial # from here:

Mac: http://www.adobe.com/go/lightroom_5_u...
Win: http://www.adobe.com/go/lightroom_5_u...
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Derek Rustvold

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Thank you for the tip to fix permissions with a new Admin user account and links to download a version of the installer that can be used with a serial#.

As far as I can tell the issue was unrelated to Adobe and Lightroom. Here is the final solution for me:

1) Force TimeMachine backup with "Back Up Now".
2) Copy the /Users directory to another USB disk as a backup for TimeMachine.
3) Reboot using [Option]+[R] for Recovery Mode.
4) Erase startup disk with Disk Utility.
5) Reinstall OS X.
6) After reboot, choose import from TimeMachine.
7) Uncheck Applications in Migration Assistant. Check all others.
8) Install updates from the App Store.
9) Install Lightroom and other 3rd Party applications.
10) Run Lightroom.

Previous unsuccessful troubleshooting steps attempted include:

- Installing Lightroom as new Admin user.
- Running Repair Disk Permissions in Disk Utility as a new Admin user.
- Booting in Repair Mode and running Repair Disk Permissions in Disk Utility.
- Booting in Repari Mode and reinstalling OS X without erasing the disk.

I appreciate the prompt support from Chris and Jeffrey on this challenge. They both helped me hone in on a confusing issue. Lightroom was the only application on the system crashing on startup making the situation even more puzzling.
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Chris Cox

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Yeah, filesystem issues can be confusing to debug sometimes.
(and worse still when the problem is in hardware - which I hope you're not facing)