I am using legacy Lightroom 5.7.1 on my desktop, bought a used late 2008 MacBook (SSD drive) so I could edit photos on the go, it is running OS 10.10.5. Installed the LR 5 disk, upgraded to 5.7.1, and get an error message stating that I need to check with the developer that this software works with OS X. Checked for updates, installed java as my searching suggested that might be the problem, rebooted several times, still the same message.
If it matters, in the report it says the the library was not loaded because the image was not found.
I don't want to move to CC at this time, any help with this would be much appreciated!