Bon voila je voulais vous dire que ceux qui ont des problèmes au lancement de HL², retour au bureau, il est résolu par MAJ de Steam
Steam Client Update Released
November 19, 2004, 3:03 pm · valve
A small number of Half-Life 2 customers have been experiencing problems while playing the game, and we have traced these issues to corrupt Steam cache files. We´ve released a Steam update to help resolve these issues. If you have been experiencing problems such as crashing during gameplay or startup of Half-Life 2, please restart Steam and then click on one of the links below. Steam will then automatically verify your cache files. The verification process will take roughly five minutes to complete.
Voila...
