The KB5010342 update bumps the version number to build 19042.1526 (20H2), 19043.1526 (21H1), and 19044.1526 (21H2), and according to the changelogs, it fixes a security vulnerability and resolves problems with the printing system, Microsoft Edge, and adds a new feature called “Sync Your Settings” for users making the leap to Windows 11. In addition, Microsoft is also releasing updates for older versions of Windows 10, including for versions 1909, 1809, 1607, and 1507.

Update KB5010342 fixes and changes

Here’s the complete list of fixes and improvements rolling out with the update KB5010342:

​​​​​​Adds a reminder to Internet Explorer 11 that notifies you about its upcoming retirement. Updates an issue that might sometimes cause Japanese Microsoft Office applications to stop working when you use the new Japanese Input Method Editor (IME). Updates an issue that stops printing or prints the wrong output when you print using USB on Windows 10, version 2004 or later. Updates an issue that causes applications to stop working when you type text using the Chinese IME. Updates an issue that prevents certain surround sound audio from playing in Microsoft Edge. Adds a new feature that provides direct access to select your Microsoft Edge profiles from news and interests. You can also go to Microsoft Edge directly from news and interests in the same corresponding profile. Adds a new feature called Sync Your Settings for users who are migrating to Windows 11, original release. You’ll use Sync Your Settings to automatically back up a list of your applications to your Microsoft Account. Then, you can quickly restore those applications on a Windows 11, original release device.  Updates an issue that causes functioning Bluetooth devices to stop working when you attempt to connect to a non-functioning Bluetooth device. Updates daylight savings time to start in February 2022 instead of March 2022 in Jordan. Updates the phone number for Windows Activation for locales that have the wrong phone number. Addresses an issue that causes a Lightweight Directory Access Protocol (LDAP) modify operation to fail if the operation contains the SamAccountName and UserAccountControl attributes. The error message is, “Error: 0x20EF. The directory service encountered an unknown failure”.

The update will download and install automatically, but you can always force it from Settings > Update & Security > Windows Updates and click the Check for Updates button. Alternatively, you can download the update KB5010342 directly from the Microsoft Update Catalog website. The version 2004 release has reached the end of support on December 14, 2021, as a result, Microsoft is no longer offering updates for that release. If you are still on version 2004, it’s recommended to upgrade to Windows 10 21H2.

Update for older versions of Windows 10

In addition, the company is also making available updates for older versions of Windows 10. For example, version 1909 received the update KB5010345 that increases the version number to build 18363.2094 and fixes several issues. Windows 11 version 1809 gets the update KB5010351 that brings the version number to build 17763.2565 and delivers a few fixes. In addition, version 1607 received the update KB5010359 (build 14393.4946) addresses several problems with this release. Finally, Windows 10 version 1507 received the update KB5010358 that bumps the version number to build 10240.19204 and delivers some miscellaneous security improvements.

Uninstall update KB5010342

If the system update is causing issues, you can always uninstall it using these steps: Once you complete the steps, the recently installed update will be removed from your installation, fixing any issues resulting from the release. If your computer doesn’t boot after installing KB5010342, you can remove the update from the Advanced startup environment using these steps. All content on this site is provided with no warranties, express or implied. Use any information at your own risk. Always backup of your device and files before making any changes. Privacy policy info.