Sorry Jum, I should have told that no, I am not running as UP. In fact, this problem happened since I "updated to java 1.4.2-05 developper preview 3". (biggest mistake I've done, that java was really poor performing). I downloaded the updated version of last week and the problem is less obvious. But I think this is something about the new apple java. This morning LW was using over 200 meg ram and 700 meg of virtual memory!!! It took 30 seconds before the dock showed (autohide is on).

Ciao

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