I have vista and the v4.0 now freezes on startup while I can still open up 3.5R3 with no problem. had a monitor glitch which may have created the problem in the first place but now I can’t get it to start. Any suggestions on rolling it back to original does that mean a reinstall? I have the disk so this should be fairly easy.
I would recommend uninstalling Z4, deleting its folder, then reinstalling. This should resolve the issue.
After installing you’ll need to do a new web activation. The system should tell you that ZBrush has already been activated on this computer, giving you a button to request a copy of the activation key. This will create a new activation code for you without counting again against your serial number.