It’s Patch Tuesday again, and Microsoft has released a set of updates for all supported versions of Windows 10.

The updates bring the following fixes and improvements:

Windows 10 version 1903 and 1903

For Windows 10, version 1903 and 1903 Microsoft is releasing KB4549951 (OS Builds 18362.778 and 18363.778) which brings the following fixes and improvements:

Highlights

  • Updates to improve security when using Microsoft Office products.
  • Updates to improve security when Windows performs basic operations.
  • Updates for storing and managing files.

Improvements and fixes

This security update includes quality improvements. Key changes include:

Addresses an issue that prevents certain apps from installing if they are published using a Group Policy Object.
Security updates to the Microsoft Scripting Engine, Windows App Platform and Frameworks, Windows Cloud Infrastructure, Windows Virtualization, Microsoft Graphics Component, Windows Kernel, Windows Media, Windows Shell, Windows Management, Windows Fundamentals, Windows Virtualization, Windows Storage and Filesystems, Windows Update Stack, and the Microsoft JET Database Engine .

This release also contains updates for Microsoft HoloLens (OS Build 18362.1057) released April 14, 2020. Microsoft will release an update directly to the Windows Update Client to improve Windows Update reliability on Microsoft HoloLens that have not updated to this most recent OS Build.

Known issues in this update
Microsoft is not currently aware of any issues with this update.

The update can be found in the Windows Update Catalogue here.

Windows 10 version 1809

For Windows 10 1809, Microsoft is releasing KB4549949 taking the OS to Build 17763.1158.

Highlights

  • Updates to improve security when Windows performs basic operations.
  • Updates to improve security when using Microsoft Office products.
  • Updates for storing and managing files.

Improvements and fixes

This security update includes quality improvements. Key changes include:

Addresses an issue that prevents certain apps from installing if they are published using a Group Policy Object.
Security updates to the Microsoft Scripting Engine, Windows Kernel, Windows App Platform and Frameworks, Microsoft Graphics Component, Windows Media, Windows Shell, Windows Management, Windows Cloud Infrastructure, Windows Fundamentals, Windows Virtualization, Windows Core Networking, Windows Storage and Filesystems, Windows Update Stack, and the Microsoft JET Database Engine.

Known issues

SymptomWorkaround
After installing KB4493509, devices with some Asian language packs installed may receive the error, “0x800f0982 – PSFX_E_MATCHING_COMPONENT_NOT_FOUND.”
  1. Uninstall and reinstall any recently added language packs. For instructions, see Manage the input and display language settings in Windows 10.
  2. Select Check for Updates and install the April 2019 Cumulative Update. For instructions, see Update Windows 10.

Note If reinstalling the language pack does not mitigate the issue, reset your PC as follows:

  1. Go to the Settings app > Recovery.
  2. Select Get Started under the Reset this PC recovery option.
  3. Select Keep my Files.

Microsoft is working on a resolution and will provide an update in an upcoming release.

The update can be found in the Microsoft Update Catalogue here.

Windows 10 version 1803

For Windows 10, version 1803, Microsoft is releasing KB4550922, which takes the OS to build Build 17134.1425.

Highlights

  • Updates to improve security when Windows performs basic operations.
  • Updates to improve security when using Microsoft Office products.
  • Updates for storing and managing files

Improvements and fixes
This security update includes quality improvements. Key changes include:

Security updates to the Microsoft Scripting Engine, Windows Kernel, Windows App Platform and Frameworks, Microsoft Graphics Component, Windows Media, Windows Shell, Windows Management, Windows Cloud Infrastructure, Windows Fundamentals, Windows Core Networking, Windows Storage and Filesystems, Windows Update Stack, and the Microsoft JET Database Engine.

Known issues in this update

SymptomWorkaround
Devices on a domain might be unable to install apps published using a Group Policy Object (GPO). This issue only affects app installations that use .msi files. It does not affect any other installation methods, such as from the Microsoft Store.To mitigate this issue, manually install the app on the device.

We are working on a resolution and will provide an update in an upcoming release.

The update can be found in the Microsoft Update Catalogue here.

Windows 10 version 1709

For Windows 10, version 1709,  Microsoft is pushing out KB4550927, taking the OS to Build 16299.1806.

Highlights

  • Updates to improve security when Windows performs basic operations.
  • Updates to improve security when using Microsoft Office products.
  • Updates for storing and managing files.

Improvements and fixes
This security update includes quality improvements. Key changes include:

Security updates to the Microsoft Scripting Engine, Windows Kernel, Windows App Platform and Frameworks, Microsoft Graphics Component, Windows Media, Windows Management, Windows Cloud Infrastructure, Windows Fundamentals, Windows Core Networking, Windows Storage and Filesystems, Windows Update Stack, and the Microsoft JET Database Engine.

Known issues in this update

SymptomWorkaround
Devices on a domain might be unable to install apps published using a Group Policy Object (GPO). This issue only affects app installations that use .msi files. It does not affect any other installation methods, such as from the Microsoft Store.To mitigate this issue, manually install the app on the device.

We are working on a resolution and will provide an update in an upcoming release.

The update can be found in the Microsoft Update Catalogue here.

Windows 10 Version 1703

For Windows 10 Version 1703, Microsoft is pushing out KB4550939, taking the OS to build 15063.2346.

Highlights:

  • Updates to improve security when Windows performs basic operations.
  • Updates to improve security when using Microsoft Office products.

Improvements and fixes

This security update includes quality improvements. Key changes include:

  • Addresses an issue that causes a memory leak in the LsaIso.exe process when the server is under a heavy authentication load and Credential Guard is enabled.
  • Addresses an issue with running klist.exe that causes lsass.exe to stop working and generates an access violation error (0xC0000005).
  • Addresses an issue with merging Windows Defender Application Control policies that sometimes generates a duplicate rule ID error and causes the Merge-CIPolicy PowerShell command to fail.
  • Security updates to the Microsoft Scripting Engine, Windows Kernel, Windows App Platform and Frameworks, Microsoft Graphics Component, Windows Media, Windows Management, Windows Fundamentals, Windows Core Networking, Windows Update Stack, and the Microsoft JET Database Engine.

Known issues in this update

SymptomWorkaround
Devices on a domain might be unable to install apps published using a Group Policy Object (GPO). This issue only affects app installations that use .msi files. It does not affect any other installation methods, such as from the Microsoft Store.

To mitigate this issue, manually install the app on the device.

We are working on a resolution and will provide an update in an upcoming release.

The update can be found in the Microsoft Update Catalogue here.

Windows 10 Version 1607

For Windows 10 Version 1607, Microsoft is releasing KB4550929, taking the OS to Build 14393.3630.

Highlights

  • Updates to improve security when Windows performs basic operations.
  • Updates to improve security when using Microsoft Office products.

Improvements and fixes

This security update includes quality improvements. Key changes include:

  • Security updates to the Microsoft Scripting Engine, Windows Kernel, Windows App Platform and Frameworks, Microsoft Graphics Component, Windows Media, Windows Cloud Infrastructure, Windows Fundamentals, Windows Core Networking, Windows Update Stack, and the Microsoft JET Database Engine.

Known issues in this update

SymptomWorkaround
After installing KB4467684, the cluster service may fail to start with the error “2245 (NERR_PasswordTooShort)” if the group policy “Minimum Password Length” is configured with greater than 14 characters.Set the domain default “Minimum Password Length” policy to less than or equal to 14 characters.

Microsoft is working on a resolution and will provide an update in an upcoming release.

The update can be found in the Microsoft Update Catalogue here.

Windows 10 version 1507

For Windows 10 1507, Microsoft is pushing out KB4550930, which takes the OS to build Build 10240.18545.

Highlights

  • Updates to improve security when Windows performs basic operations.
  • Updates to improve security when using Microsoft Office products.

Improvements and fixes

This security update includes quality improvements. Key changes include:

  • Security updates to the Microsoft Scripting Engine, Windows Kernel, Windows App Platform and Frameworks, Microsoft Graphics Component, Windows Media, Windows Fundamentals, Windows Core Networking, Windows Update Stack, and the Microsoft JET Database Engine.
SymptomWorkaround
Devices on a domain might be unable to install apps published using a Group Policy Object (GPO). This issue only affects app installations that use .msi files. It does not affect any other installation methods, such as from the Microsoft Store.To mitigate this issue, manually install the app on the device.

We are working on a resolution and will provide an update in an upcoming release.

The update can be found in the Microsoft Update Catalogue here.

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