1 Reply Latest reply on Apr 29, 2016 6:39 AM by Akash Sharma

    Cannot open Lightroom 5.7


      I am now unable to open Lightroom 5.7 - when I try to open the program I get a message that the "Lightroom 5 Catalog" has already been opened by another program.  All previous versions of Lightroom were previously deleted from my WIN 8.1 PC.

        • 1. Re: Cannot open Lightroom 5.7
          Akash Sharma Adobe Employee

          Hi rodabarr,


          With Lr closed go to the location where your catalog resides(By default it is Pictures/Lightroom)

          Delete the .Lock file with the same name as your catalog.For instance in the Picture below it is Lightroom4 catalog.lrat.lock

          Image result for .lock file lightroom catalog

          In your case it will be Lightroom5catalog.lrcat.lock

          Restart Lightroom


          Let us know if that helps