Windows 10 update KB4579311 releases for version 2004

Microsoft is making available the update KB4579311 for PCs running Windows 10 version 2004. This is the ninth quality update available for this version, and it’s a small update that addresses several problems.

KB4579311 bumps the version number to build 19041.572, and according to the software giant, fixes a problem with verifying usernames and password, and improves security for Office apps and Windows performs basic operations. (Since version 2004 and 20H2 share the same core file system, both versions are receiving the same fixes.)

In addition, Microsoft is rolling out updates for older versions of Windows 10, including for version 1909, 1903, 1809, 1803, 1709, 1703, 1607, and 1507.

Update KB4579311 for Windows 10 version 2004
Update KB4577671 for Windows 10 version 1903 and 1909
Update KB4577668 for Windows 10 version 1809
Update for older versions of Windows 10
Uninstall update KB4579311 to fix problems
Download October 2020 update for Windows 10

Update KB4579311 for Windows 10 version 2004

Microsoft has announced KB4579311 in the Windows support site, and it’s referred as “October 13, 2020—KB4579311 (OS Build 19041.572).” If you’re already running the Windows 10 May 2020 Update, this update will address these problems:

Addresses an issue with creating null ports using the user interface.
Fixes a problem with a possible elevation of privilege in win32k.
Addresses an issue with the Group Policy service that might recursively delete critical files in alphabetic order from %systemroot%\systm32.
Security updates to Windows App Platform and Frameworks, Microsoft Graphics Component, Windows Media, Windows Fundamentals, Windows Authentication, Windows Virtualization, and Windows Kernel.

You can download the updates to install them manually for version 2004 with the links below:

KB4579311 64-bit | Download
KB4579311 32-bit | Download

Update KB4577671 for Windows 10 version 1903 and 1909

Microsoft has announced KB4577671 in the Windows support site, and it’s referred as “October 13, 2020—KB4577671 (OS Builds 18362.1139 and 18363.1139).” If you’re already running the Windows 10 November 2019 Update or May 2019 Update on your device, this quality update will fix these issues:

Security updates to Windows App Platform and Frameworks, Microsoft Graphics Component, Windows Media, Windows Fundamentals, Windows Authentication, Windows Virtualization, and Windows Kernel.
Addresses an issue with the Group Policy service that might recursively delete critical files the System32 folder.
Fixes a problem with creating null ports using the user interface.
Addresses an issue with a possible elevation of privilege in win32k.

Update KB4577668 for Windows 10 version 1809

Microsoft has also announced KB4577668 in the Windows support site, and it’s referred as “October 13, 2020—KB4577668 (OS Build 17763.1518).” If you’re already running the October 2019 Update on your computer, this update will address these problems:

Fixes a problem that causes apps that use Dynamic Data Exchange (DDE) to stop responding when closing the app.
Addresses an issue with the Group Policy service that might recursively delete critical files in alphabetic order from the System32 folder.
Fixes a problem with a possible elevation of privilege in win32k.
Security patches for vulnerabilities in Windows App Platform and Frameworks, Microsoft Graphics Component, Windows Media, Windows Shell, Windows Cloud Infrastructure, Windows Fundamentals, Windows Authentication, Windows Virtualization, Windows Kernel, and Windows Storage and Filesystems.

Update for older versions of Windows 10

The April 2018 Update (version 1803) has reached the end of support on November 12, 2019, but the company has released update KB4580330 to address problems while bumping the version number to build 17134.1792.

The version 1709 (Fall Creators Update) is no longer supported, but organizations running the Enterprise or Education edition of Windows 10 are getting update KB4580328 to address a several issues and bumps the version number to 16299.2166.

In addition, Microsoft has ended support for Windows 10 version 1703 (Creators Update), but organizations with computers still running this release can now download KB4580370, which resolves a few issues. Also, the update ramps the version number to build 15063.2525.

Windows 10 Anniversary Update (version 1607) is getting update KB4580346 to address serveral issues, even though operating system is no longer supported, and the quality update bumps the version number to build 14393.3986.

Finally, the original release of Windows 10 (version 1507) is getting update KB4580327. The release increase the version number to 10240.18725 and fixes several problems.

Uninstall update KB4579311 to fix problems

If the KB4579311 update is causing issues on your device, you can always uninstall it to revert the changes.

To uninstall KB4579311, or any other update, use these steps:

Open Start.
Search for Command Prompt, right-click the top result and select the Run as administrator option.
Type the following command to view the update history and press Enter:
```
wmic qfe list brief /format:table
```
Check the Windows Update history of your device, and identify the update by its HotFixID and InstalledOn information.
Type the following command to uninstall the update from your computer and press Enter:
```
wusa /uninstall /kb:4579311
```
In the command, replace “4579311” for KB number that correspond to the update that you’re trying to uninstall. For example, if you’re trying to uninstall update KB4579311, then the number that you can have to use in the command is “4579311.”
Click the Yes button.
Continue with the on-screen directions (if applicable).

Once you complete the steps, the recently installed update will be removed from your computer fixing any issues as a result of the release.

If your computer won’t boot after installing KB4579311, you can remove update from the Advanced startup environment using these steps.

Download October 2020 update for Windows 10

These updates are available immediately, they’ll download and install automatically, but you can always force the update from Settings > Update & Security > Windows Update and clicking the Check for updates button. If you’re downloading an optional update, then you’ll also need to click the Download and install option. You can find more details about the most recent updates in the Windows 10 update history tracker guide.