I am trying to open Lightroom and he says: "the Lightroom catalog named"Lightroom Catalog"cannot open another application already has its opening.

lightroom error.PNG

I tried to open Lightroom and this message keeps popping up. I restarted and shut down completely my computer and that did not work. I uninstalled Lightroom and re installed several times and that has not worked. And I went in my task manager and closed all applications and that has not worked. I don't know what else to do. Help, please.

Using Windows Explorer, go to the folder containing the catalog, it is usually inside the images folder.

Delete the file that ends with the extension .lock. Do not remove anything else, now launch Lightoom.

Tags: Photoshop Lightroom

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