Microsoft confirms stalled downloads, bogus errors in Win10 FCU update KB 4054517

Microsoft has just fessed up to a couple of the known bugs in this month’s Win10 version 1709 cumulative update, KB 4054517 – in particular, the stall at 99% download, and the completely bogus warning that the patch had failed to install with error 0x80070643. Sadly, several other problems with KB 4054517 have not been acknowledged. Yet.

In addition, we have new mea culpas for the November Patch Tuesday security update for Excel 2016, KB 4011220, which throws a “Cannot run the macro” warning, and for this month’s Patch Tuesday security fix for Microsoft Exchange, KB 4045655.

As usual, I’m seeing reports thatMicrosoft tech support staff don’t know about the problems, haven’t read the KB articles, and are recommending that people re-install Windows.

The first problem in this month’s Win10 1709 cumulative update KB 40454517 is described as:

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