I tried to install steam but is impossible to run it

I get this when I try to run it

steam

Running Steam on ubuntu 12.10 64-bit

STEAM_RUNTIME is enabled automatically

ILocalize::AddFile() failed to load file "public/steambootstrapper_english.txt".

Installing breakpad exception handler for appid(steam)/version(0_client)

Installing breakpad exception handler for appid(steam)/version(1.0_client)

Installing breakpad exception handler for appid(steam)/version(1.0_client)

Installing breakpad exception handler for appid(steam)/version(1.0_client)

SteamUpdater: Error: Download failed: http error 0SteamUpdater: Error: Steam needs to be online to update.  Please confirm your network connection and try again.

Installing bootstrap /home/elin3t/.local/share/Steam/bootstrap.tar.xz

Running Steam on ubuntu 12.10 64-bit

STEAM_RUNTIME has been set by the user to: /home/elin3t/.local/share/Steam/ubuntu12_32/steam-runtime

ILocalize::AddFile() failed to load file "public/steambootstrapper_english.txt".

Installing breakpad exception handler for appid(steam)/version(0_client)

Installing breakpad exception handler for appid(steam)/version(1.0_client)

Installing breakpad exception handler for appid(steam)/version(1.0_client)

Installing breakpad exception handler for appid(steam)/version(1.0_client)

SteamUpdater: Error: Download failed: http error 0

SteamUpdater: Error: Steam needs to be online to update.  Please confirm your network connection and try again.

and this is my hardware VGA

lspci | grep VGA

01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI RV710 [Radeon HD 4350]

And this my distro version

lsb_release -a

No LSB modules are available.

Distributor ID: Ubuntu

Description:    Ubuntu 12.10

Release:    12.10

Codename:   quantal

thanks if some can help me!!

I tried the forum solution but I didnt found the registry.vdf file to change the lines