Lightroom 5: Can't open my on my Mac. Why? Yesterday it was OK.

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  • Problem
  • Updated 3 years ago
  • (Edited)
When I try to open Lightroom 5 my Mac says: Lightroom can not be opened because
Lightroom doesn ́t respond. Why?
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Heikki Y. Rissanen

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Posted 4 years ago

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Rikk Flohr, Official Rep

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1. Attempt a preference file reset.
2. Attempt a LR uninstall/reinstall with the latest version of LR (5.7.1)
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Thomas Gartner

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If I reinstalled Lightroom and have the icon on my screen how do I open it?
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Alan Davey

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I Have the exact same problem Lightroom has been running perfectly for years, now when I try and open the application I get a message saying Lightroom 5 cannnot be opened because of a problem