Common Problems
- The Battle.net desktop app crashed with an unexpected error and needs to close
- Error: "The application encountered an unexpected error."
If you experience a crash with a blue screen error message, follow the steps in our Blue Screen Crashes article. If your computer locks up while running the Battle.net App, follow the steps in our Computer Restarts of Shuts Down article. Otherwise, follow the steps below to resolve the issue.
Windows®
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Update your drivers to resolve any compatibility issues.
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Configure your security software's exception list to allow Blizzard applications to run.
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Try creating a new administrator account to resolve permissions issues.
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Uninstalling and reinstalling the Battle.net App may resolve rare launcher issues.
Advanced Troubleshooting
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Try closing background applications to resolve any software conflicts.
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Run a security scan to remove any viruses or malware infections.
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Disable any proxies that may interfere with the login module.
Mac®
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Run Software Update to check for pending updates to software, drivers, and firmware.
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Configure your security software's exception list to allow Blizzard applications to run.
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Try creating a new administrator account to resolve permissions issues.
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Uninstalling and reinstalling the Battle.net App may resolve rare launcher issues.
Advanced Troubleshooting
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Try closing background applications to resolve any software conflicts.
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Run a security scan to remove any viruses or malware infections.
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Disable any proxies that may interfere with the login module.
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Run the Apple Hardware Test to make sure there are no physical problems with your hard drive.
Tried everything here?
If the steps above did not resolve your problem, visit our Technical Support forum or contact us.
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