Articles about 0xc000021a

The KB5022287 and KB5022303 updates feature important security fixes for Windows 11

Windows 11 laptop

Microsoft has released the KB5022287 update for Windows 11 21H2, as well as the KB5022303 update for Windows 11 22H2.

Both updates are mandatory and, like this month's updates for Windows 10, include fixes for Local Session Manager (LSM) and ODBC issues. There is also a fix for a blue screen 0xc000021a error and numerous security patches.

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Microsoft confirms KB5021233 update is causing 0xc000021a errors and blue screens in Windows 10

Blue Screen of Death

The curse of the problematic Windows update strikes again! Following the release of the KB5021233 update for Windows 10 last week, Microsoft has acknowledged that the cumulative security update is causing blue screens for some users.

The company is now investigating the cause the issue that leads to a BSoD (Blue Screen of Death) and a 0xc000021a error. The problem affects Windows 10 versions 20H2, 21H1, 21H2 and 22H2, and Microsoft has a workaround for users to try until a fix is developed.

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KB5001330 update for Windows 10 is causing performance problems and other issues

Windows 10 laptop

Earlier this week we asked -- slightly tongue-in-cheek -- what problems would be caused by this month's Patch Tuesday updates. As the weekend crests the horizon, we have our answer, and this time around it is the Edge-killing KB5001330 update that is proving problematic.

And the problems appear to be not only plentiful, but also fairly significant. Among the reported issues are a drop in the performance of games, error messages, screen flicker and more.

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