Windows 10 version 21H1 is getting Build 19043.1288 ( KB5006670) and it comes with the fixes highlighted above. Likewise, Microsoft has also fixed an issue that prevents users from drawing on the screen. Windows 10 October 2021 cumulative update has also fixed an issue that prevented users from adding input using the Microsoft Outlook Add-in that prevents you from providing input after you select Reply. Another bug has been fixed where the device stops responding and apps would suddenly crash during normal use. This bug resulted in performance issues for a small subset of users. Microsoft has also delivered fix for an issue that causes the DnsCache service to increase the CPU usage to 100% utilization. A bug that causes the Server Manager to disappear after enterprise customers use it to replace the Hyper-V feature has been resolved. Microsoft has addressed an issue that changes the language of the device when the language pack is not properly applied during the out-of-box experience (OOBE). This bug was experienced on devices that have feature called Microsoft Exploit Protection for Export Address Filtering (EAF). Windows 10 update addresses an issue that crashes some apps or prevents programs like Office or Adobe Reader from opening. Windows 10 October 2021 cumulative updates overview Windows 10 October 2021 cumulative updates: That’s because Windows 10 version 21H2, version 21H1 and version 20H2 are based on the code of version 2004 (May 2020 Update). The build revision number may be different, but these updates include the same set of bug fixes and improvements. Likewise, if you’re still using October 2021 Update, you’ll get Windows 10 Build 19042.1288.

In case of May 2021 Update, Microsoft says users will get Build 19043.1288. October 2021 Patch updates the build number of the operating system only and the version number remains unchanged. Click on “Windows Update” and check for updates.

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