Error Code 30125-9 occurs while installing Microsoft Office 2019/2021/365 on Windows 10 or Windows 11 due to registry corruption or network issues. If you encounter an installation failure with error messages like “Something went wrong, Error Code: 30015-11 (-1073741790)” or “30015-11 (3221225506),” this may be caused by third-party software interference or network errors.

error code 30125-9

Solution 1: Temporarily Disable Windows Defender

Follow these steps to disable Windows Defender temporarily:

    “Windows Security.”
  1. Open the Windows Security window and select “Virus & Threat Protection.”
  2. Under “Virus & Threat Protection,” select “Manage Settings.”
  3. Turn off “Real-Time Protection.”

To disable third-party antivirus software temporarily:

    Final Solution: Reset Windows Operating System

    If all else fails, resetting your Windows operating system may resolve the issue. Follow these steps:

      In Conclusion

      If you have trouble following these methods, we recommend chatting with our experts for personalized assistance. Visit our website for more information.

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