after update

[alishoojaa]

hi for all
any one can help me please
what can i do when i have fished to download
the update and the desktop dos not appears again
and when i try to log as sudo this message appear
unable to resolve host user-desktop
thanks for all

[aquavitae]

Please give clearer information. Does this happen when you startup or did the desktop disappear as soon as the update finished? If its at startup, then what happens - do you get to the login screen? Or do you just go to the terminal?