Seems to have worked for me... all I did was end the CCLibrary process. The library then loaded correctly, and is working like a charm.
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See below, from <Re: Updating OS X to 10.10.5 slows down Indesign CC (2015)>, worked for me too! Open mac utility 'Activity Monitor' and...
stadlockAug 25, 2015 11:55 AM (in response to Steve Werner)
Seems to have worked for me... all I did was end the CCLibrary process. The library then loaded correctly, and is working like a charm.