Zbrush crashes every time I try to use a hotkey for delete button .This crashes happens just for this button .Can someone help me ?( sorry for my english is not the best)

Zbrush crashes every time I try to use a hotkey for delete button .This crashes happens just for this button .Can someone help me ?( sorry for my english is not the best)

Do you mean the subtool delete button? What hotkey are you using?