Windows Update Error Code 0x80070641 is fairly common on Windows 10 and 11, and is usually caused by a corrupted driver, program, or system file. Malware infection can also trigger this error.
Many users have reported this error specifically when trying to install .NET-related security updates. This guide explains the steps to fix it.
Work through these methods in order to resolve Error Code 0x80070641.
Here’s how to fix it:
Right-click Command Prompt and select “Run as administrator.” Type sfc /scannow and press Enter. Once the scan completes, restart your computer and check whether the issue is resolved.
Right-click Command Prompt and select “Run as administrator.” Run each command below, pressing Enter after each:
DISM.exe /Online /Cleanup-image /ScanHealth
DISM.exe /Online /Cleanup-image /RestoreHealth
Type exit and press Enter to close the window once finished, then restart your computer.
Download and run the official Microsoft .NET Framework Repair Tool. Accept the license terms, click Next, then click Next again at the “Recommended changes” screen, and let the tool complete the repair.
If the error persists, identify which .NET version your failed update needs (6, 5, or 3.1) from Microsoft’s official .NET download page, and install it manually.
Back up your files first — resetting Windows will remove your files and settings during the process.
Windows 10: Start → Settings → System → Recovery → Reset PC, then choose your preferred options.
Windows 11: Start → Settings → System → Recovery → Reset PC, then choose your preferred options.
If you’re still having trouble after these steps, our experts are here to assist you — Chat with a specialist — and they’ll give you the best results to fully resolve Windows Update Error Code 0x80070641.
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It’s usually caused by a corrupted driver, program, or system file — malware infection can also trigger this error, particularly when installing .NET-related updates.
Yes. SFC and DISM fix underlying system file corruption first, which resolves many cases without needing to touch .NET Framework directly.
Yes, depending on the reset option chosen — back up your important files and settings before resetting, since this should be a last resort after other fixes.
Check the exact KB number of the failed update to identify which .NET version it belongs to, then download that specific version directly from Microsoft’s official site.
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