Problems backing up Mac after today's update

[newguy]

I backup my Mac to Amazon S3 using Arq. All was well until today when I downloaded today's Hazel update. After that my backup stopped with an error message relating to the Hazel preference pane. I deleted Hazel, including the trash and restarted. Now my backups go through just fine.

[newguy]

The problem was with Arq, not Hazel. Arq just updated: Fixed Bugs

Fixed an issue where the backup process aborted if there's an error creating an FSRef on OS X Yosemite (because it's not a valid file for creating an FSRef).

See: http://www.haystacksoftware.com/arq/arq ... notes.html