Problem about font GNOME2

I just install ruby-gnome2-0.16.0-1-i386-mswin32 for Window
and start tutorial on web but it has problem about font I can’t see
‘hello world’ in button. It show only square…

see my picture for detail :’(

I download gtk-dev-2.10.11-win32-1 and install and fix file glib then
this problem was solved :smiley: