Woohoo! Fix for error -42408
https://discussions.apple.com/message/20441424#20441424
This is caused by the following frameworks in /System/Library/PrivateFrameworks/
AirTrafficHost.framework
CoreFP.framework
DeviceLink.framework
iTunesAccess.framework
MobileDevice.framework
You will need to replace them with an older version from your Time Machine or any other backup.
https://discussions.apple.com/message/20441424#20441424