Windows Update Error Code 0x800F0950: How to Fix It

Medium 30-60 minutes Medium Severity Verified June 2026
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Error Code
0x800F0950
Brand
Windows Update
Product Type
operating_system
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
30-60 minutes
Windows error code 0x800F0950 occurs when the .NET Framework feature installation fails due to corrupt or missing source files. This error typically happens during Windows Updates or when manually installing .NET Framework components through Windows Features.
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Tools You'll Need

How to Fix Error Code 0x800F0950

  1. Run Windows Update Troubleshooter

  2. Reset Windows Update Components

    Create a system restore point before making these changes in case you need to revert them.

  3. Use DISM to Install .NET Framework

    You may need Windows installation media (DVD or USB) for this step.

  4. Run SFC and DISM Scans

  5. Download .NET Framework Offline Installer

    Only download from official Microsoft sources to avoid malware.

  6. Check Windows Update Settings

  7. Perform Clean Boot

    Remember to re-enable services and startup programs after testing.

Parts You May Need

Windows installation media
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Windows installation media
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Windows installation media
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Windows installation media
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Windows installation media
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Windows installation media
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Windows installation media
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Windows installation media
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Windows installation media
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Windows installation media
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Windows installation media
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When to Call a Professional

Contact Microsoft Support or a computer technician if the error persists after trying all steps, if you're uncomfortable using Command Prompt, or if you encounter additional system errors that suggest hardware problems.

Frequently Asked Questions

What causes Windows error code 0x800F0950?
Error 0x800F0950 is caused by corrupt or missing source files needed for .NET Framework installation, blocked Windows Update components, or system file corruption that prevents proper feature installation.
Can I install .NET Framework without Windows Update?
Yes, you can download the offline installer directly from Microsoft's website. This bypasses Windows Update entirely and installs the framework from a standalone package.
Is it safe to reset Windows Update components?
Yes, resetting Windows Update components is safe when done correctly. The process stops services, renames folders to force recreation, and restarts services. Always create a system restore point first as a precaution.
Why does .NET Framework installation keep failing?
Common reasons include corrupt Windows Update cache, missing system files, third-party software interference, or network connectivity issues preventing download of required components.
Do I need Windows installation media to fix this error?
Not always. While having Windows installation media helps with the DISM command, you can often fix the error using other methods like the offline installer or Windows Update troubleshooter.

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