MacWise would not run on OS X 10.2.8 or older. You would get a SetWindowAlpha error and it would quit.
This problem was introduced in MacWise 10.7.87.
MacWise now works with OS X 10.1.2 through the current OS X.
SOLUTION: Upgrade to MacWise 10.7.90 or later.
http://www.carnationsoftware.com/carnation/ftp/MacWiseX_Demo.hqx