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MuMu stops responding while loading or freezes at 45%

2021-04-27

1. Download the hotfix

2. Right-click on the hotfix and click "Run as administrator", wait for it to execute and then reboot;

3. Delete MuMu's residual files from your PC after the reboot, then download and reinstall it.

End of Article

Keyword: 45%failed to activateStartup exception
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Or You can:
1. For users with macOS, please join MuMuPlayer's official Discord and consult the online customer service.
2. For users with Windows, please send a feedback email to support@mumuglobal.com
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