Windows 10 Cumulative Update KB4054517 fails to install error 0x80070643

Anonymous
2017-12-12T19:55:01+00:00

We just got our "second Tuesday" updates (12/12/2017) on our W10 machine running V1709.

The cumulative update KB4054517 failed with an error code of 0x80070643.

The only thing we've discovered so far is that this machine will not display our other 3 PC's on the network when we select "Network" in File Explorer.  But all three other PC's can "see" and access this PC no problem.  And we ran a batch backup job on the affected PC and it was able to copy files from all three other PC's.  So it's just a display problem in File Explorer -> Network.  

We've run Windows Update Troubleshooter and told it to Apply Fixes whenever it prompted us, and it DID report that it found and fixed three issues:

Potential Windows Update Database Error - Fixed

Windows Update Component Must Be Repaired - Fixed

Check for pending updates - Fixed

After exiting the Troubleshooter, we clicked on "Check for Updates" again and it said "Your device is up to date". 

We noticed that the build number after the "failed" update had changed to 16299.125.  So the system thinks it DID install something newer than it had before, but Windows Update thinks the cumulative patch failed to install.

BTW, the other "Second Tuesday" patches (Adobe Flash KB4053577 and Windows Malicious Software Removal Tool KB890830) both installed OK.

Windows for home | Windows 10 | Windows update

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  1. Anonymous
    2018-01-17T19:48:03+00:00

    Last update from Microsoft - fix supposedly for February updates. Basically if QualityCompat is missing in the Registry, install it. (Re previous posting.)  

    For futher info read the following: (It appears older AMD computers are at risk.)

    https://support.microsoft.com/en-in/help/4073707/windows-os-security-update-block-for-some-amd-based-devices

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  2. Anonymous
    2018-01-17T15:13:36+00:00

    Thx a lot, works for me too...

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  3. Anonymous
    2018-01-10T00:54:22+00:00

    My AMD did an update on re-boot, and stopped at the boot logo.

    In trying to fix an AMD chip security issue, MS ended up shutting down a lot of AMD systems. Current updates causing this are being pulled by Microsoft. ALL computers world wide are affected by security issues in the chips - please read the following to understand what is happening.

    https://www.wired.com/story/meltdown-and-spectre-vulnerability-fix/

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  4. Anonymous
    2018-01-09T19:38:37+00:00

    Addendum:

    After applying the QualityCompat fix, and installing the Windows Update Fix, the old AMD computer did ALL the updates and is now working OK:

    https://answers.microsoft.com/en-us/windows/forum/windows\_10-update/on-windows-10-update/614348af-9b8b-4c0b-a07d-3a728f1db80f?auth=1

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  5. Anonymous
    2018-01-09T19:12:43+00:00

    Update:

    New Intel CPU did all the updates after using the QualityCompat fix. Unfortunately, on the last reboot, CPU went DOA due to mechanical failure.

    Old AMD, fix still did not take it past KB4051963.

    KB4054517 says it's not for this computer. KB 4056892 ended after updating with a small, blue window in the middle of the screen. Restored to the KB4051963, and applied the Windows update fix that lists what the updates are for you to choose.

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