> 
> 
> I downloaded 1.31 and started it up (not jitter).
> I then activated "Play with me - 4" and clicked
> "-->" and I got: "a primitive has failed" window.
> 
> I had the same problem with 1.30 and 1.31 jitter.

It's probably the sound primitive which fails. Try executing:

  Preferences setPreference: #disableSounds toValue: true

and it should work.

Andreas
-- 
Linear algebra is your friend - Trigonometry is your enemy.
+===== Andreas Raab ============= (raab at isg.cs.uni-magdeburg.de) =====+
I Department of Simulation and Graphics      Phone: +49 391 671 8065  I
I University of Magdeburg, Germany           Fax:   +49 391 671 1164  I
+=============< http://isgwww.cs.uni-magdeburg.de/~raab >=============+