The Blizzard Update Agent could not find or launch the game's executable file. This happens when game files have been moved by security programs, corrupted during an update, or have incorrect permissions settings.
The steps below will re-create any missing files. When you have completed these steps, try launching the game again to see if the error appears. If the error returns, follow the steps under Advanced Troubleshooting.
Disable or temporarily uninstall any security programs, which may mistakenly identify the login module as a security threat.
Deleting the Battle.net cache folder can resolve problems with the logon module.
- Setting a game to always run as administrator may cause launching errors. Right-click the game, select Properties > Compatibility, and uncheck Run this program as an administrator.
- Blizzard games do not support Mac OS X 10.6. Mac OS X 10.6 users who try to launch these games will receive this error. Upgrade to the latest version of Mac OS X to resume gameplay, which is available for free from Apple.
- Make sure your game client and files are in the right game folder by checking each of the folders listed below for the items in the Game Files column.
If any of the game files are missing, locate them by searching your computer and then return them to the proper folder.
Game Install Location Game Files World of Warcraft /Applications/World of Warcraft World of Warcraft.app StarCraft II /Applications/StarCraft II StarCraft II.app Diablo III /Applications/Diablo III Diablo III.app Hearthstone /Applications/Hearthstone Hearthstone.app Heroes of the Storm /Applications/Heroes of the Storm Heroes of the Storm.app
Note: Overwatch does not support 32-bit operating systems. Make sure you are using a 64-bit operating system.