The game requires it and will not run if it's disabled. f you're encountering crashing when launching the game, we ask you to check and see if you have any of the following third party programs running.To check, open Control Panel Services and scroll down to the Secondary Logon service. • Mumble • XFire • EVGA Precision • Airfoil by Rogue Amoeba • MSI Afterburner • Dxtory • Radeon Pro • Taksi In some cases, simply updating the program can resolve the issue, but if it continues, we suggest not running these programs at all while launching Diablo III.When it has finished downloading the files to completion, it will launch the installer on its own. This error message generally indicates that the installation files may be corrupted, damaged or incomplete.
We apologize for the inconvenience, and ask that you please let friends and acquaintances know so they can begin downloading the working installer that's now available. Obtain the new Diablo III digital downloader using the links below 2.Whether you repair your previous install or download the entire game again, it's necessary to use this new downloader to install and play the game when it launches.If you try running the Diablo III file and nothing appears to be happening, check to see if the Windows Service for Secondary Logon is enabled. This service being disabled may also cause the system to appear to hang during the "Updating Setup Files" portion when run.In fact, setting the tools to run in Compatibility Mode may cause other issues with the Blizzard Launcher.If you are having issues with the game and normal troubleshooting steps have not helped, please create a thread here or you can create a Support Ticket on your Account Management page.