FYI: Profantasy Software has released the latest patch for CC3. This patch will bring your installation version number to 3.18. More information can be found here:
3rd December 2007: CC3 Patch 5 released
Update January 2, 2008: If you install Patch 5 now, it will bring your installation to version number 3.20. If you already installed Patch 5 and your version number is less than 3.20, you should download Patch 5 again and install it.