When i launch steam it freeze during connection account

Installing breakpad exception handler for appid(steam)/version(1355957371_client)
Looks like steam didn't shutdown cleanly, scheduling immediate update check
Installing breakpad exception handler for appid(steam)/version(1355957371_client)
Installing breakpad exception handler for appid(steam)/version(1355957371_client)
unlinked 0 orphaned pipes
Installing breakpad exception handler for appid(steam)/version(1355957371_client)
[1226/234712:ERROR:object_proxy.cc(239)] Failed to call method: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.NetworkManager was not provided by any .service files
[1226/234712:WARNING:proxy_service.cc(646)] PAC support disabled because there is no system implementation
Installing breakpad exception handler for appid(steam)/version(1355957371_client)
Installing breakpad exception handler for appid(steam)/version(1355957371_client)
Installing breakpad exception handler for appid(steam)/version(1355957371_client)
Installing breakpad exception handler for appid(steam)/version(1355957371_client)
PulseAudio connect failed (used only for Mic Volume Control) with error: Access denied
Steam error: SteamGetOfflineStatus(0x0xffe76e50,0x0xffe77270) failed with error 2: Steam Library has not been initialized
Generating new string page texture 2: 48x256, total string texture memory is 49,15 KB
Generating new string page texture 3: 256x256, total string texture memory is 311,30 KB
Process 2801 created /ValveIPCSharedObjects3
Installing breakpad exception handler for appid(steam)/version(1355957371_client)

here is a screenshot :+1:
http://img833.imageshack.us/img833/3549/screensteam.jpg