Lightroom: Error message: "Lightroom catalog.lrcat is not writable and cannot be opened".

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  • Updated 1 year ago
  • (Edited)
I'm unable to start Lightroom. Error message: "Lightroom catalog.lrcat is not writable and cannot be opened".

I cannot recall what happened that led to this. I had been working on a lot of photos, and the computer was almost to its memory limit. There could have been a forced restart. I don't know where the catalog is located, internal or external hard drive. I do not know what is FileVault.

Uninstall Lightroom and reinstall with CD still won't correct problem.
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Charles Lam

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Posted 7 years ago

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Lee Jay

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Find the catalog and delete the .lock file.
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Rob Cole

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To see where catalog is to be gotten from before its opened, hold down the Cmd key while Lightroom is starting up (Ctrl key on Windows - I assume Cmd key on Mac). Once you can get it opened, catalog location is available on the general tab of catalog settings.

What did the error message say about FileVault?
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Johnnina Ortega

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The .lock file only appears as the application is being run. I delete the .lock and try again, and there it is .lock file and message. I also have 4 temporary import data.db files all dated in June. That is when I did a major to a new external drive that took 12 days with Lightroom. Do I dare delete the temporary data files and then restart Lightroom.
HELP
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Camille

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Unziping the file and opening it is the solution!!!
Best Regards
Camille