Geekbench 2.2.3 has been released and is available for download from the Geekbench website, and the iTunes App Store (it's currently under review for the Mac App Store). Geekbench 2.2.3 fixes most outstanding issues with Geekbench 2.2. A complete list of all changes can be found in the Geekbench release notes.
Geekbench 2.2.3 also removes support for Mac OS X 10.4. Users who need to run Geekbench on Mac OS X 10.4 can download Geekbench 2.2.0 or Geekbench 2.1.13.
Geekbench 2.2.3 is a free update for all registered Geekbench 2 users.