update tutorial in post
Thanks, it's working now. But I have this message from minerd: "No payout address provided, switching to getwork"
The content of .bat file:
minerd --url=http://127.0.0.1:20842 --userpass=rpc_user:7fb2b78e74e7d420a80d2c449
And:
http://i.imgur.com/rXPMXcd.png