Не мога да стартирам gcbttv?

 Can't locate Gtk.pm in @INC (@INC contains: /etc/perl
 /usr/local/lib/perl/5.8.7 /usr/local/share/perl/5.8.7
 /usr/lib/perl5 /usr/share/perl5 /usr/lib/perl/5.8
 /usr/share/perl/5.8 /usr/local/lib/site_perl .) at ./gcbttv
line 3.
BEGIN failed--compilation aborted at ./gcbttv line 3.