Mac OS X Update 10.4.5
02/14/06

The 10.4.5 Update is recommended for all users and includes general operating system fixes, as well as specific fixes for the following applications and technologies:
  • iChat video conferencing
  • Safari rendering of web pages
  • usability of Dashboard and widgets
  • viewing of QuickTime streaming media behind a firewall
  • printing to some Epson printer models
  • iDisk and Portable Home Directory syncing
  • time zone and daylight savings for 2006 and 2007
  • VPN connections to Cisco servers when using NAT
  • using and mounting Windows formatted storage devices
  • compatibility with third party applications and devices
  • previous standalone security updates

for more information visit >> http://www.apple.com/support/downloads