I have format My computer so I should download LFS and Unlock again, But it show it when I unlock,and I haven't use firewall, plz help!!!
http://img96.imageshack.us/my.php?image=lfsch3.jpg

It looks like the master server is having down time.. You should just wait, and try again later!

Yes, It can't show the sever of DEMO...
but It was show on lfs Destop

There was a problem, but it should be working fine now. Sorry about that.