Looks like it's time for the monthly Apple patch-and-reboot. Get Patching!
The 10.4.7 Update is recommended for all users and includes general operating system fixes, as well as specific fixes for the following applications and technologies. It includes fixes for:
– preventing AFP deadlocks and dropped connections
– saving Adobe and Quark documents to AFP mounted volumes
– Bluetooth file transfers, pairing and connecting to a Bluetooth mouse, and syncing to mobile phones
– audio playback in QuickTime, iTunes, Final Cut Pro, and Soundtrack applications
– ensuring icons are spaced correctly when viewed on desktop
– determining the space required to burn folders
– iChat audio and video connectivity, creating chat rooms when using AIM
– importing files into Keynote 3
– PDF workflows when using iCal and iPhoto
– reliable use of Automator actions within workflows
– importing and removing fonts in Font Book
– syncing addresses, bookmarks, calendar events and files to .Mac
– compatibility with third party applications and devices
– previous standalone security updatesFor detailed information on this Update, please visit this website: http://www.info.apple.com/kbnum/n303771.
For detailed information on Security Updates, please visit this website: http://www.info.apple.com/kbnum/n61798.