3.1) Launcher.exe doesn't work: - One of the most common problem. Make sure the Launcher download is of the latest version. (Link) An error could occur that reads: The application failed to initialize properly (0xc0000135). Click on OK to terminate the application. In that case, Install/update...

JP Public test server plasma I can't see it in loadout and i can't use this weapon! - - - - Good luck!