Windows 7/8.1: March 2017 Updates KB2952664 / KB2976978 pulled

Windows Update[German]Microsoft has pulled yesterday the two March 2017 updates KB2952664 for Windows 7 SP1 and KB2976978 for Windows 8.1 and its corresponding Server versions.


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What’s behind Updates KB2952664 / KB2976978?

Update KB2952664 for Windows 7 SP1 and Update KB2976978 for Windows 8.1 has been released on March 7, 2017 and shall fixes issued with Windows 7/8.1 (says Microsoft).

But both updates offers telemetry functions, as I reported within my February blog post Windows 7/8.1: Updates KB2952664 / KB2976978 are back (again). My recommendation was, to hide those updates.

It’s not the first time, that those updates has been pulled

Both updates are offered cyclically each month since years. Yesterday a blog reader pointed out, that both updates KB2952664 and KB2976978 has been withdrawn. I checked my Windows 7 machine, and the update I already blocked from installation has been gone. Also Microsoft Update Catalog doesn’t contain those updates.

Also a bit mysterious: The KB articles for Update KB2952664 (Windows 7 SP1) and Update KB2976978 (Windows 8.1) are now from revision date 01/20/2017. And Microsoft has withdrawn those updates in February 2017 and re-released it several times (see). The last release of KB2952664 and KB2976978 was in March 2017. And now both updates has been pulled – maybe due to incompatibilities with patches (hopefully) arriving tomorrow (March 14, 2017).

KB2952664 and KB2976978 has caused trouble in earlier versions (see here, or here for update error 0x80242016, WU_E_UH_POSTREBOOTUNEXPECTEDSTATE). One of my sources told me, that Microsoft is experimenting with compattelrunner.exe and speculates, that there are problems. Here somebody wrotes about high CPU load caused by compattelrunner.exe. But we don’t know the reason that caused Microsoft’s today withdrawal of both updates.


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One Response to Windows 7/8.1: March 2017 Updates KB2952664 / KB2976978 pulled

  1. Pingback: Microsoft pulls KB 2952664 and KB 2976978, likely in anticipation of today’s Patch Tuesday @ AskWoody

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