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Getting Fatal error during installation (0x80070643) via Intune

Saeid Agheli 0 Reputation points
2025-11-17T01:34:29.8866667+00:00

I'm getting errors on all my devices via intune , almost with all apps. Some devices have installed the app, but others encounter a fatal error during installation (0x80070643). Do you guys have any idea? I'm getting errors on all my devices, and almost all apps are showing a Fatal error during installation (0x80070643). Do you have any idea?

Windows for business | Windows 365 Enterprise
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  1. Beatrix 2,285 Reputation points Independent Advisor
    2025-11-17T08:27:47.85+00:00

    Hi Saeid,

    Thank you for sharing your concerns.

    The error 0x80070643 is a generic “Fatal error during installation.” When it appears across multiple devices and apps, it usually indicates the system level issue rather than a problem with a single application.

    To identify the root cause, I recommend checking the Intune logs on one of the affected devices, then open the latest log file, search for the app name, and it should show the exact underlying error message behind the failure in this path: C:\ProgramData\Microsoft\IntuneManagementExtension\Logs

    Open the latest log file, search for the app name, and it should show the exact underlying error message behind the failure.

    Another way to narrow down the issue which is manually installing, you can choose one problematic device and try installing the app manually. If manual installation succeeds, verify the detection rule in Intune because an incorrect detection rule can cause Intune to report an installation as failed even when it actually succeeded.

    For MSI-based applications, you can safely retrieve the correct Product Code using PowerShell:

    1. Open PowerShell as Administrator
    2. Run this cmd: Get-Package | Where-Object { $_.Name -like "YourAppName" } | Select-Object Name, Version

    I hope this helps! If you have any other questions or need further assistance, feel free to reach out.

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  2. AI answer

    2025-11-17T01:34:36.6333333+00:00

    The error code 0x80070643 typically indicates that there is a problem with the installation process, often related to corrupted files or issues with the Windows Installer. Here are some common causes and potential solutions:

    1. Corrupted Installation Files: If the installation files are corrupted, you may encounter this error. Ensure that the installation files are intact and not corrupted. You can verify this by checking the integrity of the installation source, such as an ISO file.
    2. Previous Installations: If there are remnants of previous installations or updates, they might interfere with the current installation. It is advisable to uninstall any previous versions of the application before attempting a new installation.
    3. Windows Installer Issues: Sometimes, the Windows Installer service may be malfunctioning. You can try restarting the Windows Installer service:
      • Open the Run dialog (Windows + R), type services.msc, and press Enter.
      • Locate Windows Installer, right-click it, and select Restart.
    4. Permissions Issues: Ensure that you have the necessary permissions to install applications on the device. Running the installer as an administrator may help resolve permission-related issues.
    5. Antivirus/Firewall Interference: Sometimes, security software can block installations. Temporarily disabling your antivirus or firewall during the installation process may resolve the issue. Just remember to re-enable it afterward.
    6. Repairing the .NET Framework: Since many applications rely on the .NET Framework, repairing it can sometimes resolve installation issues. You can do this via the Control Panel under Programs and Features.

    If the problem persists after trying these solutions, you may want to consult the installation logs for more detailed error messages that could provide further insights into the issue.

    References:

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