Unfortunately, after all this, when I try to open the game I receive an error message saying 'Not found the point of entrance to the procedure SteamAPI_UseBreakpadCrashHandler in the dinamic links library steam_api.dll' (It's translated from Spanish but should be something like that in English). And finally I installed the new L4D_Rev_Emu_v1020+. So I went to the topic 'L4D Updates: Latest is 1.0.2.5' and I installed the latest version (1st, full update to 1019, then to 1020, then to 1022 FIXED and finally the 1025). Invalid protocol, expecting 1017, got 1025 Unfortunately this topic just covers updates till v1.0.1.7, which is useless if you want to play online as all (or most) servers are using v1.0.2.5.

In the first case, you need to download the steamapi.dll file and send it to the game / application installation folder.

I installed the game and followed all the instructions appearing in the 'L4D Files and Guides' topic. How to fix steamapi.dll missing error If 'steamapi.dll is missing' failed, use one of the correct methods to solve the problem: manual or automatic. Might also see if you have any hardware updates at the windowsserver with a 3.0GHZ processor. Or is my PC noises when having bad cables or loosie connections. Hi, it's my first message in this forum and i'm looking for some help with left4dead. I have several other suspicions Steamapi.dll 64 Bit Download first 10 minutes of playing the game.

Steam_api.dll is missing