Here's the error output: >Muggy.app Error in startup script: This interpreter does not support stubs-enabled extensions. while executing "load /usr/local/lib/Img1.2/../libimg.so.1 Img" ("package ifneeded" script) invoked from within "package require Img" (file "/usr/X11R6/bin/Muggy.app" line 5) Regards. Udo.