I am experiencing this same issue, and this solution does not solve the problem, as both of those properties are set to "enabled". I am running a trial enterprise license of v 5.0.3 on OSX 10.9.3.
Installing manually as a workaround worked for me, although it'd be a lot simpler if this feature worked as intended. The workaround was just to download the app from splunk.com, then click App->Manage Apps-->Install app from file, and follow the prompts, including a splunk restart.
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