ZBrushCentral

Ztools are greyed out!

I have many dvds that come with ztools to practice with such as digital tutors and some books that a dvd came with. when I try to import them, they are mostly greyed out and not accesible. And my Zbrush is not running I’ll try to click on the file and open with Zbrush, but there will be an error message. thanks anyone…Matt