Questions and postings pertaining to the usage of ImageMagick regardless of the interface. This includes the command-line utilities, as well as the C and C++ APIs. Usage questions are like "How do I use ImageMagick to create drop shadows?".
Its possible there was a transient bug in different point releases of ImageMagick 6.2.4. You could always try upgrading to the latest release, ImageMagick 6.3.1-5, to fix the problem.