I had the same problem as you MaximusForever 2 days ago while rotating ZPheres too:qu:
Wish I new what to do to avoid it! I always make sure the Draw size is down to 1 and save as often as possible for the moment. I have similar computer specs as yours and am hoping that the answer :idea: will pop-up one of these days!
Happy holidays!
This is a known issue, and has been known for a very long time already. Unfortunately (from a troubleshooting point of view, anyway), it only affects a very few users. This makes it very hard to try and pinpoint a workaround until 2.5 can be released.
One thing that I can say for sure is that if you have a dual core processor you should NOT turn on Preferences>Performance>MultiRender. Only MultiDraw should be used. I’ve also heard from some users that the Core 2 Duo processors don’t even like MultiDraw.
I appreciate your response Aurick. If this is the only thing I get while using ZBrush, I can live with it as it is some sort of a blessing too, reminding me to save my work regularly.
As for 2.5, I admire Pixologic’s decision to test it rigorously before its release and for offering it still as a free upgrade! Your are definitely setting a name for yourself 
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Wishing you all the success.
Yes Pixologic is an amazing company. I am new to Zbrush but let me tell you it amazed me from day one when I saw it at my friend’s house. You guys are true artists! Not just programmers. I can’t wait for 2.5 :lol:
zpheres freezing (not exactly inspired by this thread) 
