Tk does work with the command prompt. Tk will not work with Padre.

Can't locate Tk.pm in @INC (@INC contains: C:/Dwimperl/perl/site/lib C:/Dwimperl /perl/vendor/lib C:/Dwimperl/perl/lib .) at monkserver.pl line 5.

Seems like it should be easy to fix, but I don't know what a @INC is.