laptop failed to update: 0xc0000605

laptop failed to update: 0xc0000605 "A recent hardware or software change might have installed a file that is signed incorrectly or damaged, or might be malicious software from an unknown source

Hello, JBTECH1931 6Nitin Badwaik

Welcome to Microsoft Community.

You can visit the Microsoft Update Catalog website, search for and download the necessary update files, and then install them manually. This can help you bypass issues that might occur during the automatic update process: How to download updates that include drivers and hotfixes from the Windows Update Catalog - Windows Client | Microsoft Learn

You can also download the latest Windows installation package from the Microsoft website and run the installer. This will overwrite the existing system files while keeping your personal files and applications. However, it is still recommended to back up important files in advance, just in case: How to Download Windows 11 ISO | Microsoft Community Hub

If it still doesn't work, please use the SetupDiag tool to collect system logs and share them with us through a cloud service (Google Drive, OneDrive, etc.). We will try to help you analyze the cause of the issue: SetupDiag | Microsoft Learn

Yuhao L

Microsoft Community Technical Support

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Last updated April 16, 2025 Views 27 Applies to: