March 10, 2020 - KB4538461 (OS Build 17763.1098)
Applies to: Windows 10 version 1809, Windows Server version 1809, Windows Server 2019 all versions
Note This release also contains updates for Microsoft HoloLens (OS Build 17763.1098) released March 10, 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.
For more information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following article.
Highlights
- Updates to improve security when using Microsoft Edge and Internet Explorer.
- Updates for verifying user names and passwords.
- Updates to improve security when Windows performs basic operations.
- Updates for storing and managing files.
- Updates to improve security when using external devices (such as game controllers, printers, and web cameras).
Improvements and fixes
This security update includes quality improvements. Key changes include:
- Security updates to Microsoft Scripting Engine, Windows App Platform and Frameworks, Windows Media, Windows Silicon Platform, Microsoft Edge, Internet Explorer, Windows Fundamentals, Windows Authentication, Windows Kernel, Windows Core Networking, Windows Storage and Filesystems, Windows Peripherals, Windows Update Stack, and Windows Server.
If you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.
For more information about the resolved security vulnerabilities, please refer to the
Security Update Guide.
Windows Update Improvements
Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. This doesn't apply to long-term servicing editions.
Known issues in this update
Symptom |
Workaround |
After installing KB4493509, devices with some Asian language packs installed may receive the error, "0x800f0982 - PSFX_E_MATCHING_COMPONENT_NOT_FOUND." |
- Uninstall and reinstall any recently added language packs. For instructions, see Manage the input and display language settings in Windows 10.
- 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:
- Go to the Settings app > Recovery.
- Select Get Started under the Reset this PC recovery option.
- Select Keep my Files.
Microsoft is working on a resolution and will provide an update in an upcoming release. |
When using Windows Server containers with the March 10, 2020 updates, you might encounter issues with 32-bit applications and processes. |
For important guidance on updating Windows containers, please see Windows container version compatibility. |
How to get this update
Before installing this update
Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU and applying Microsoft security fixes. For general information about SSUs, see
Servicing stack updates and
Servicing Stack Updates (SSU): Frequently Asked Questions.
If you are using Windows Update, the latest SSU (
KB4539571) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the
Microsoft Update Catalog.
Install this update
Release Channel |
Available |
Next Step |
Windows Update and Microsoft Update |
Yes |
None. This update will be downloaded and installed automatically from Windows Update. |
Microsoft Update Catalog |
Yes |
To get the standalone package for this update, go to the Microsoft Update Catalog website. |
Windows Server Update Services (WSUS) |
Yes |
This update will automatically sync with WSUS if you configure Products and Classifications as follows:
Product: Windows 10
Classification: Security Updates |
File information
For a list of the files that are provided in this update, download the
file information for cumulative update 4538461.
Note Some files erroneously have “Not applicable” in the “File version” column of the CSV file. This might lead to false positives or false negatives when using some third-party scan detection tools to validate the build.