xpce prolog consult program

in this url http://www.commonkads.uva.nl/frameset-commonkads.html on tools tab there is an example program in prolog i download it and consult main_xpce but no window appear to show program this is a xpce prolog program and must have a window

i have similar problem with demo xpce in swi that they are act like that ,when consult no windows appear! for example kangaroo.pl in C:\Program Files (x86)\swipl\xpce\prolog\demo when consult this file no appearance results but when use xpce.man menu it work properly plz help me

ck-prolog seems working... but I don't know what's expected.

I downloaded ck-prolog.zip, unzipped, loaded main_pce.pl, and run

?- [main_pce].
%   auxilliary compiled 0.01 sec, 33 clauses
%   oo_kernel compiled 0.01 sec, 31 clauses
%   ck_kernel compiled 0.02 sec, 116 clauses
%   inf_methods compiled 0.00 sec, 14 clauses
%  architecture compiled 0.04 sec, 203 clauses
%  views_pce compiled 0.00 sec, 9 clauses
%  controller compiled 0.00 sec, 24 clauses
%  model compiled 0.04 sec, 256 clauses
%  database compiled 0.00 sec, 2 clauses
% main_pce compiled 0.10 sec, 506 clauses
true.

?- go.

after some sec I get a window with 3 panels, then after 3 clicks I get

I'm sorry I don't know what that means...