I am suddenly unable to open lightroom

I get this message: "the Lightroom catalog called"Lightroom 3 catalog"cannot open another application already has its opening."  Leave the copy of Lightroom before trying to launch.  If only it were true!  Another application is NOT open.  It does not appear in "Task manager" and I started and restarted my computer several times - including force just by using the power button, and whenever I try to access lightroom, I get this message.  Any ideas?

Hi Thomas,

You must go to the location where you catalog Lightroom are stored and remove the .lock file (don't forget do not remove the .lrcat file)

Then, try to launch Lightroom.

By default, the catalog is stored under Pictures\Lightroom.

Tags: Photoshop Lightroom

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