Chris, > winAdjustVideoModeShadowDD () - Command line depth: 16, using depth: 8 http://www.msu.edu/~huntharo/xwin/docs/faq/cygwin-xfree-faq.html#AEN288 You can download one of the newer releases mentioned in that answer at: http://www.msu.edu/~huntharo/xwin/shadow/ Harold