Windows 10 KB5009543 (21H2, 21H1) released with bug fixes

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This year’s first cumulative update is now available for Windows 10 version 21H2, version 21H1 and later. The fix is ​​available through Windows Update, but Microsoft has also posted direct download links for Windows 10 offline installers KB5009543. The offline installer is especially useful when you are having problems with Windows Update.

KB5009543 is a security-only patch, and it will also include last month’s optional cumulative update. However, this fix does not come with general improvements or non-security fixes. This is because there was no C version in December due to the holiday season (announced by Microsoft last month).

Since there was no C version or optional cumulative update last month, there is no new non-security related content built into version B. For those who don’t know, a security update includes fixes from previous months in a single package. In other words, if you haven’t installed the December updates, you will still get these fixes in today’s patch.

The last major update fixed various issues, including a bug where variable fonts were displayed incorrectly. Another bug was fixed where the 32-bit version of Microsoft Excel could stop working on some devices. A bug that displayed characters at the wrong angle has been fixed in this release.

If you are using Windows 10 version 21H2 (aka November 2021 update), you will get version 19044.1466. For those on version 21H2, they will get build 19043.1466 with the same set of bug fixes. If you are still on version 20H2, there is a new update with Build 19042.1466.

Remember that support for the 2004 version has ended, so there won’t be any new updates for it. For those on Windows 11, Microsoft has released KB5009566 for your device.

If you check for updates today, you will see the following update:

Cumulative Update 2022-01 for Windows 10 Version 21H2 for x64-based Systems (KB5009543)

Or

2022-01 Cumulative Update for Windows 10 Version 21H1 for x64-based Systems (KB5009543)

Download links for Windows 10 KB5009543

Windows 10 direct download links KB5009543: 64-bit and 32-bit (x86).

Windows 10 Full Change Log KB5009543 (Build 19044.1466)

Microsoft has fixed an issue where the Japanese Input Method Editors (IME) may not work as expected on Windows 10. The text you enter may appear out of order, and the text cursor will unexpectedly have issues in them. applications that use the multibyte character set (MBCS).

Additionally, Windows 10 Build 19044.1466 also includes Servicing Stack Updates, which are responsible for Windows Updates on your system. In theory, installing this security patch should also make Windows Update itself reliable so that your devices can scan and receive updates as well.

Known issues in Windows 10 update

Microsoft is aware of a few known issues in the Windows 10 update. According to the changelog, a bug in Windows Update could affect Outlook search. This is a known issue in updates released after November, and it may prevent emails from appearing in search results for Outlook users.

It is not yet clear how the search box is unable to search for emails on Windows 11, but Microsoft says it is actively investigating, and we’ll learn more about the situation in the coming days.

In the meantime, you can turn off Windows Desktop Search and use Outlook’s built-in search box. If the workaround does not work in your case or if you are unable to search for emails in Windows, open the Windows registry editor and navigate to the following path:

HKEY_LOCAL_MACHINE SOFTWARE Policies Microsoft Windows

To resolve the problem, simply create a new key and name it “Windows Search”. Change its DWORD value to “PreventIndexingOutlook” and press Enter 1 in the Value data box. You can now close Registry Editor, restart the Outlook or Windows application itself, and a search box will start crawling emails again.

Microsoft is currently working on a fix and we don’t have an ETA right now, but given that a new optional update will be released later this month, it’s likely that the next fix will fix this issue.

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