Lightroom 5 not working

Question

I have recently changed to a new Imac and migrated all the info including Lightroom 5 and my catalogue. All was there after the migration and I have used it. Suddenly I now try to open Lightroom and nothing happens. I cannot open it either from the logo in the dock or from Applications
 
{Moved from Lightroom Cloud to Lightroom Classic Forum by Moderator}

JP Hess · Answer

I am a Windows user, so I cannot offer any help on troubleshooting your problem. However, I will advise you not to uninstall Lightroom 5 thinking that a reinstall might solve the problem. The installer for Lightroom 5 is 32-bit, and the newer Mac operating systems will not run the installer. Someone else might have a solution as to why Lightroom 5 has stopped functioning. What operating system are you using on the new computer?

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