OS X Yosemite update 10.10.3 won't finish
I have gone through the traditional method of using the App Store/Updates to try and install Yosemite 10.10.3 and it won't finish. I click Update, Agree to the Terms, and click Download & Restart. The progress bar shows a tiny little bit complete then it just stops. I manually downloaded the update from the Apple website and tried that route. I get as far as Destination Select and get the message "OS X Yosemite 10.10.3 Supplemental Update can't be installed on this disk. This volume does not meet the requirements for this update."
iMac (21.5-inch Mid 2011), OS X Yosemite (10.10.2)