Quote -  ya, it might help.. one other thing you might want to try is get MAINMENU... it's a little program that runs all the mac's service/repair/upkeep scripts for you...  download it and run, set up the "batch tasks" to do everything it can... When ever my Mac gets all PC  like :scared: I run that and it seems to fix all the weird things...   :thumbupboth:

Some other helpful apps for OS X maintenance are : ONYX (complete service/repair) and MAINTENANCE.
Hope that may help, but in this case I guess that there's a virtual memory allocation problem (preferences/imaging-scratch disk/texture spooling).
;)

 
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Holyforest,
Hundreds of shaders for Carrara