Try change setting 16 bpp and 32 bpp and on/off fullscreen.
Are you have 24 bpp in monitor settings?
Read this topic:
I think is OpenGL problem. Try reinstall driver for videocard, and check OpenGL integrality.
And maybe problem disappear if use system java setup. Type command:
java.exe -jar jre6\bin\ob3d.jar
in 3dboxing folder (from command line or line of Total Commander).
This message was edited 1 time. Last update was at 21/12/2012 12:53:23