ZBrushCentral

Z4 Keeps Crashing- While Constructing Zspheres

Zbrush keeps crashing - any suggestions on mem settings- crazy how much it works my computer…i can actually hear it challenging it…

mostly having an issue creating the zspheres when it crashes…im sure there is some fix im not aware of - any suggestions…

mac osx 10.5
4gigs ram
250 gb HD

is there a way to setup a scratch disk for Zbrush ? like in photoshop…give it an external HD to do all its calculations