- The Blizzard Battle.net desktop app shows "Game is Running" but Diablo III doesn't launch.
- Diablo III window does not show after clicking play.
To fix any incompatibilities causing this problem, try the following steps:
Update your drivers to resolve any compatibility issues.
Reset your in-game options to resolve crashing and performance problems.
Disable or temporarily uninstall any security programs, which may mistakenly identify the login module as a security threat.
Delete the Battle.net Tools folder to automatically rebuild outdated or corrupt files.
- Run the repair tool to repair any damaged game files.
Try closing background applications to resolve any software conflicts.
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