Cumulative Updates - December 2020

This is a summary of the cumulative updates released on December 8th for all the supported consumer releases of Windows 10. This is the last release for Windows 10 1903 Home and Pro editons.

  1. Windows 10 version 2004 and version 20H2 - KB4592438, Build 19041.685 and 19042.685
  2. Windows 10 versions 1903 and 1909 - KB4592449, Build 18362.1256 and 18363.1256

NEW 12/8/20

IMPORTANT Adobe Flash Player will go out of support on December 31, 2020. For more information, see Adobe Flash end of support on December 31, 2020. Flash content will be blocked from running in Flash Player beginning January 12, 2021. For more information, see Adobe Flash Player EOL General Information Page.


UPDATED 12/8/20

REMINDER Windows 10, version 1903 has reached end of servicing as of this release dated December 8, 2020. To continue receiving security and quality updates, Microsoft recommends that you update to the latest version of Windows 10. If you want to update to Windows 10, version 1909, you must use the Enablement Package KB4517245 (EKB). Using the EKB makes updating faster and easier and requires a single restart. For more information, see Windows 10, version 1909 delivery options.


11/17/20

For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. To view other notes and messages, see the Windows 10, version 1903 update history home page.

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Windows 10 update history

https://support.microsoft.com/en-in/help/4529964/windows-10-update-history

Windows 10 release dashboard

https://docs.microsoft.com/en-us/windows/release-information/status-windows-10-2004

Windows 10 message center

https://docs.microsoft.com/en-us/windows/release-information/windows-message-center#407

Follow @WindowsUpdate to find out when new content is published to the release information dashboard.

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Happy Holidays to everyone!

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Sumit
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Servicing stack update for Windows 10 version 2004/20H2 KB4593175:

https://support.microsoft.com/en-us/...g-stack-update

This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) makes sure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.

Sumit
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Thanks for the post and repeat. Users are free to go to the original post for December. There are important notices.

https://answers.microsoft.com/en-us/windows/forum/windows_10-update/cumulative-updates-december-2020/f3abd1d1-9dcd-46d1-a4ad-7611d10b20f5?messageId=62b9599f-b672-4d98-9b88-ac1e6409

Add the DDL next month for the updates and servicing stack ones and I would pin yours.

Sumit
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yesterday i installed to 20h2 19042.662 now its 19042.685
I am a regular CONTRIBUTOR on docs.micrsosoft.com.
Asus Laptop R542UQ-DM153-Intel_i5-7200u_Nvidia_940mx_2GBvram-16GBram-2TBHDD_2TBHDD_1TB_M.2SSD_Windows10_Ent_20H2_64bit_19042.844.

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Thanks for the infos and updates. 

Have to do testing at my end. 

And here we go again. 

Another Cumulative Updates bog down with problems.

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Thanks for the infos and updates. 

Have to do testing at my end. 

And here we go again. 

Another Cumulative Updates bog down with problems.

You are doing great work! Best wishes 😊

Sumit
Volunteer Moderator- Microsoft Community

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If you are having difficulties, please include:

  • Microsoft version and build
  • Home or Pro
  • 32 bit or 64 bit
  • Update you are installing
  • Reported error messages
_________________________
geekdom. On hiatus.
Member - August 2015

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Thanks for the info and updates.

Regards,

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Hello, I can't update. I can't install it.

  • Microsoft version and build: 2020 20h2
  • Home or Pro: Entreprise
  • 32 bit or 64 bit. 64bit
  • Update you are installing:
  • Reported error messages: 0x800f0988

Since 20h2 update I have disable AppReadiness service because black screen after login.

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Last updated February 23, 2021 Views 8,262 Applies to: