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kb5001391
About this tag
KB5001391 is a preview cumulative update for Windows 10, released on April 28, 2021. It applies to OS builds 19041.964 and 19042.964, and also corresponds to build 19043.964 for Windows 10 version 21H1. This update was distributed to the Beta and Release Preview Channels for Windows Insiders preparing for the May 2021 Update. It includes all fixes from the previous build 19043.962 plus an additional fix addressing a 0xC2 (BAD_POOL_CALLER) bugcheck. The tag covers discussion and release notes for this specific update, focusing on its deployment to Insider channels and the bug fix it provides.
Hello Windows Insiders, today we’re releasing 21H1 Build 19043.964 (KB5001391) to the Beta Channel & Release Preview Channel for those Insiders who are on 21H1.See our blog post here on preparing the Windows 10 May 2021 Update (21H1) for release. This update includes all the fixes in 21H1 Build...
21h1
bad pool caller
beta channel
bugcheck
build 19043
channel
features
fix
insider
ioctl
kb5001391
may 2021
performance
preview
release
release preview
testing
update
windows 10
windows insider