Unable to sign into Messages on Mavericks
24946
Messages won't let me sign in to iMessage
124569
Can't login to chat.meta
47216
Login required moving to Super User on iPad
146685
Booting into text mode - how can I fix it?
43496
Why does OS X show a forgot password prompt when trying to boot or wakeup screen?
143086
Cannot authenticate without a password
118121
Mavericks input source is set to US keyboard in login screen
48024
"immediate_failed" - Could not automatially log in the user
74273
How do I re-enable Notification Center in Yosemite or El Capitan post-upgrade?
145520
Can only search social network messages in the Dash after 13.10 upgrade
58719
Keychain won't let copy passwords after 10.11.1 update
121883
Cannot login to my user account
141005
Where's the US-International keyboard on OS X 10.9 (Mavericks)?
141536
Issue installing MacPorts on Mavericks
157503
Broken cross symbol for closing in notification message
67218
update OSX Yosemite & cksum mismatch
24377
Authentication with old password no longer supported, use 4.1 style passwords