When you click the Shake Qmaster icon in System Preferences, it doesn't open.
Solution
Update to Mac OS X 10.3.2 using the Software Update Preferences or download from document 120288 "Mac OS X 10.3.2 Update: Information and Download."
Update to Shake Qmaster 1.1 by downloading the Shake 3.0.1 update from the Shake download page at (http://www.apple.com/shake/download/).