Config Proxy in wndows Version

Hi,
I am new in jitsi. I have just installed Jitsi in my windows PC and conected with a xmpp account (xmpp.is domain). I also was able to chat successfully. But now after enabling Proxy [Tools -> Options -> Advanced -> Global Proxy

Proxy Type: SOCKS5
Proxy Server: 127.0.0.1
Proxy Port: 9150 (also tried 9050)

Also Proxy DNS: untik / deselect]

I am not able to connect anymore. It tries but does not go to online mode…

Please help

MRZK