pb to display a text from a port on win nt

hello, I try to write a tiny graphic telnet client and i get some weird results: with view on win2000 , no problem with view (the same) on win nt4 p6a , i don't display the text from telnet server why ? I try that on several machine , always the same thing! can you help me ? REBOL [ Title: "client telnet graphic" ] ;do http://www.reboltech.com/library/scripts/telnet.r do %telnet.r ;;connexion port: open telnet://user:[pass--177--0--200--245] wait 1 copy port in: layout [ chp1: area 600x500 across button "df" [ insert port "df -k" wait 1 chp1/text: copy port show chp1 ] button "ps" [ insert port "ps -edf" wait 1 chp1/text: copy port show chp1 ] button "quitter" [quit] ] view win focus chp1