Eveytime i try to run the LFS_restart.exe, it gives me a message: part of the automatic update system, and nothing happends. Can someon help me?

You're not supposed to run LFS_restart.exe, run LFS.exe instead

Quote from morpha :

You're not supposed to run LFS_restart.exe, run LFS.exe instead

I know, but can you explain me why that happends?

Quote from BliNck :

I know, but can you explain me why that happends?

it's meant for the in-game updating system... after it downloads the new files it restarts lfs for you.