Update Windows 10 KB5010415 Preview update released with 35 bug fixes, improvements


Level 84
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Top poster
Content Creator
Malware Hunter
Aug 17, 2014
Microsoft has released the optional KB5010415 Preview cumulative update for Windows 10 20H2, Windows 10 21H1, and Windows 10 21H2.

This update includes a wide variety of bug fixes, including those for Microsoft Edge's Internet Explorer mode, printing, memory leaks, and more.

The KB5010415 cumulative update preview is part of Microsoft's January 2022 monthly "C" update, allowing admins to test upcoming fixes to be released in the March 2022 Patch Tuesday.

What's new in Windows 10 KB5010415​

After installing this update, Windows 10 20H2 will be updated to build 19042.1566, Windows 10 21H1 will be updated to build 19043.1566, and Windows 10 21H2 will be updated to build 19044.1566.

The Windows 10 KB5010415 cumulative update preview includes thirty-five improvements or fixes, with the six highlighted fixes listed below:
  • New! Provides the ability to share cookies between Microsoft Edge Internet Explorer mode and Microsoft Edge.
  • Updates an issue that causes Microsoft Edge Internet Explorer mode to stop working when you press the F1 key.
  • Updates an issue that affects dialog boxes in Microsoft Edge Internet Explorer mode.
  • Updates an issue that causes screen readers to describe a back button as "button" rather than "back button".
  • Updates an issue that sometimes causes the Chinese Simplified Input Method Editor (IME) to become completely unusable.
  • Addresses an issue that prevents printing from operating properly for some low integrity process apps.
  • Addresses a memory leak in the wmipicmp.dll module that causes a lot of false alarms in the System Center Operations Manager (SCOM) datacenter monitoring system.
You can find a complete list of fixes in the KB5010415 support bulletin.


Level 12
Top poster
Aug 2, 2020
I still have not updated to 21H2. Not sure if there is any good reason to do so.
21H2 MT.jpg