Library module LR 6.14 crashes and will not re-install

Joined
Jul 19, 2014
Messages
7
Location
Crickhowell, S Wales
Lightroom Experience
Intermediate
Lightroom Version
#1
Lightroom Version
6.16
Operating System
macOS 10.13 High Sierra
Whilst trying to move photo folders from one drive to another, LR crashed and would not reopen. Error message said to uninstall and reinstall. I've uninstalled but reinstall doesn't work - just no response after downloading. Original program was LR 5 with x upgrades. Have full backups of catalogue and photo files but not of application. Any ideas, please?
 
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