📎 AI Summary:
In this thread, ragnarok1968 discusses the release of a new cumulative update (KB4015438) for Windows 10 version 1607 (Anniversary Update), which addresses specific issues like crashes related to Windows DVD Player and potential deadlocks with Switch Embedded Teaming. They question the rationale behind releasing this minor update when newer builds (15042, 15046, 15048) had recently been made available as ISO files. Overall, the tone is curious and slightly puzzled about the update release strategy.

ragnarok1968

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Thread Author #1
Microsoft releases Windows 10 for PCs build 14393.969 to everyone - here's what's new

Today isn't Patch Tuesday - or any kind of Tuesday - but Microsoft has released a new cumulative update for PCs running version 1607, otherwise known as the Anniversary Update. The build replaces 14393.953, which was released last Tuesday.

KB4015438 is a minor update, only listing two fixes:

  • Addressed a known issue with KB4013429 that caused Windows DVD Player (and 3rd party apps that use Microsoft MPEG-2 handling libraries) to crash.

  • Addressed a known issue with KB4013429, that some customers using Windows Server 2016 and Windows 10 1607 Client with Switch Embedded Teaming (SET) enabled might experience a deadlock or when changing the physical adapter’s link speed property. This issue is most commonly seen as a DPC_WATCHDOG_VIOLATION or when verifier is enabled a VRF_STACKPTR_ERROR is seen in the Memory dump.
The Windows DVD Player app isn't one that's pre-installed on your PC; in fact, it costs $14.99 in the Windows Store. It's clearly an issue with Windows though, rather than the app itself, as it affects other applications that have similar functionality.
 

ragnarok1968

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Thread Author #2
I'm not 100% sure as to WHY they released this when they have released build 15042 , 15046 or even 15048 that got released as ISO files from Microsoft within a couple weeks ago. not sure about this.. any takers?