Taking forever just to turn LR on . Any ideas what could be causing it ? (Mac )
Could you please confirm the version of Lightroom and also the Operating System of MAC.
LR5 , Mac Yosemite
Please check and make Lightroom is upto date, Lightroom 5.7.1, download link : Product updates
its already up to date
Please Reset the Preferences of Lightroom once.
How to Reset the Preferences : Preference file and other file locations | Lightroom 5
Retrieving data ...