the only way i fix this is i had to reinstall poser so it would show up in z brush , i have went to z brush tech because when use go z with poser now it crashes reboot my computer , Z brush alone will crash after couple minutes of use, its either a driver or sad to say a hardware issue, suck i just got it back from the shop , just tap out of money to dill with a 500$ + part if its the motherboard lot cheaper if is my cpu dang ...