Sourcecode Visualizer 3.4 is obsolete and has been superseded by
Sourcecode Visualizer 3.4SR1.
Sourcecode Visualizer 3.4SR1 is compatible with Eclipse 3.4 Ganymede and
offers the same functionality as
Sourcecode Visualizer 3.5.
Please follow this guide to migrate from Sourcecode Visualizer 3.4 to Sourcecode Visualizer 3.4SR1.