This is puzzling: I was able to run CSoundVST, but now, without having changed anything, all I get is the following which ends in a segmentation error. All that I've done between this and the seemingly successful run was to attempt running Cabel (which failed, as mentioned in a previous message). Starting CsoundVST... Setting language of messages to English (US) ... time resolution is 1.252 ns BEGAN Shell::runScript()... ============================================================================================================== ============================================================================================================== PyRun_SimpleString returned 0. ENDED Shell::runScript(). BEGAN Shell::runScript()... ============================================================================================================== Traceback (most recent call last): File "", line 1, in ? ImportError: No module named CsoundVST ============================================================================================================== PyRun_SimpleString returned -1. ENDED Shell::runScript(). BEGAN Shell::runScript()... ============================================================================================================== ============================== AttributeError: 'module' object has no attribute 'csound' ============================================================================================================== PyRun_SimpleString returned -1. ENDED Shell::runScript(). Csound tidy up: Segmentation fault -- R. D. Davis The difference between humans & other animals: an www.rddavis.org 410-744-4900 unnatural belief that we're above Nature & her Dangling Spiders other creatures, using dogma to justify such Electronic Music Studio beliefs and to justify much human cruelty.