[Unity+Ubuntu] i'm creating a new project folder and the button create is disabled

Unity Engine
1

I’m using unity3d on ubuntu linux.

Installing with the winetricks and playonlinux

on create new project
show me this message error
Specified path is not valid (should be a name of non existing or empty directory).

i’m creating a new folder and the button create is disabled.

Help me ?

2

This problem was solved by installing ie6.
Now has another, nothing appears in the program.
Only the top menu.