Today is Patch Tuesday, the second Tuesday of the month, in which Microsoft releases new updates for all supported versions of Windows. For Windows 10, that actually includes all versions except for version 1511. Of course, other old versions of the OS are only supported under certain circumstances, and most consumers are on version 1903 or 1909.
If you"re on version 1903 or 1909, you"re going to get KB4540673, which brings the build number to 18362.719 and 18363.719, respectively. You can manually download it here, and these are the highlights:
- Updates to improve security when using Microsoft Edge and Internet Explorer.
- Updates for verifying user names and passwords.
- Updates to improve security when using external devices (such as game controllers, printers, and web cameras).
Here"s the full list of fixes:
- Addresses an issue that prevents certain users from upgrading the OS because of corrupted third-party assemblies.
- Security updates to Windows App Platform and Frameworks, Windows Media, Windows Silicon Platform, Microsoft Edge, Internet Explorer, Windows Fundamentals, Windows Authentication, Windows Peripherals, Windows Update Stack, and Windows Server.
Note that while the lists of fixes seems small, these updates do include all of the fixes from last month"s optional updates. There"s also one known issue to be aware of:
| Symptom | Workaround |
|---|---|
| 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. |
For those on Windows 10 version 1809, you"ll see KB4538461, bringing the build number to 17763.1098. You can manually download it here, and these are the 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).
Here are the fixes:
- 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.
Finally, this one has two known issues:
| Symptom | Workaround |
|---|---|
| After installing KB4493509, devices with some Asian language packs installed may receive the error, "0x800f0982 - PSFX_E_MATCHING_COMPONENT_NOT_FOUND." |
Note If reinstalling the language pack does not mitigate the issue, reset your PC as follows:
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. |
Windows 10 version 1803 is only supported for Enterprise and Education SKUs, but those users will get KB4540689, bringing the build number to 17134.1365. You can manually download it here, and it has the same changelog as the update for version 1809, except that there are no known issues.
Windows 10 version 1709 is also only supported for Enterprise and Education, and those users will get KB4540681, bringing the build number to 16299.1747. You can manually download it here, and these are the highlights:
- Updates to improve security when using Microsoft Office products.
- 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).
- Updates an issue that might prevent icons and cursors from appearing as expected.
Here"s the full list of fixes:
- Addresses an issue that might prevent icons and cursors from appearing as expected.
- Security updates to Microsoft Scripting Engine, Windows App Platform and Frameworks, Microsoft Graphics Component, Windows Media, Windows Silicon Platform, Microsoft Edge, Internet Explorer, Windows Fundamentals, Windows Authentication, Windows Cryptography, Windows Kernel, Windows Core Networking, Windows Storage and Filesystems, Windows Peripherals, Windows Network Security and Containers, Windows Update Stack, and Windows Server.
Next up is Windows 10 version 1703, which is actually only supported for the original Surface Hub. Those users will get KB4540705, which brings the build number to 15063.2313. You can manually download it here, and these are the highlights:
- Updates an issue that might prevent icons and cursors from appearing as expected.
- Updates to improve security when using Microsoft Office products.
- 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).
Here"s the full list of fixes:
- Addresses an issue that might cause Microsoft browsers to bypass proxy servers.
- Addresses an issue that might prevent icons and cursors from appearing as expected.
- Addresses an issue that prevents machines that have Credential Guard enabled from joining a domain. The error message is "The server"s clock is not synchronized with the primary domain controller"s clock."
- Addresses an issue with evaluating the compatibility status of the Windows ecosystem to help ensure application and device compatibility for all updates to Windows.
- Security updates to Microsoft Scripting Engine, Windows App Platform and Frameworks, Microsoft Graphics Component, Windows Media, Windows Silicon Platform, Microsoft Edge, Internet Explorer, Windows Fundamentals, Windows Authentication, Windows Cryptography, Windows Kernel, Windows Core Networking, Windows Storage and Filesystems, Windows Peripherals, Windows Network Security and Containers, Windows Update Stack, and Windows Server.
Windows 10 version 1607 is only supported in the Long-Term Servicing Channel and for Windows Server 2016 customers. Those users will get KB4540670, bringing the build number to 14393.3564. You can manually download it here, and these are the highlights:
- Updates to improve security when using Microsoft Office products.
- 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).
Here"s the list of fixes:
- Addresses an issue that might prevent icons and cursors from appearing as expected.
- Security updates to Microsoft Scripting Engine, Windows App Platform and Frameworks, Microsoft Graphics Component, Windows Media, Windows Silicon Platform, Microsoft Edge, Internet Explorer, Windows Fundamentals, Windows Authentication, Windows Cryptography, Windows Kernel, Windows Core Networking, Windows Storage and Filesystems, Windows Peripherals, Windows Network Security and Containers, Windows Update Stack, and Windows Server.
This one has a couple of known issues:
| Symptom | Workaround |
|---|---|
| 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. |
| 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. |
Finally, the original version of Windows 10 is still supported in the LTSC, and those users will get KB4540693, bringing the build number to 10240.18519. You can manually download it here, and these are the highlights:
- Updates an issue that might prevent icons and cursors from appearing as expected.
- Updates to improve security when using Microsoft Office products.
- Updates to improve security when using Microsoft Edge and Internet Explorer.
- Updates for verifying user names and passwords.
- Updates for storing and managing files.
- Updates to improve security when Windows performs basic operations.
- Updates to improve security when using external devices (such as game controllers, printers, and web cameras).
These are the fixes:
- Addresses an issue that might cause Microsoft browsers to bypass proxy servers.
- Addresses an issue that might prevent icons and cursors from appearing as expected.
- Security updates to the Microsoft Scripting Engine, Windows App Platform and Frameworks, Microsoft Graphics Component, Windows Media, Windows Silicon Platform, Microsoft Edge, Internet Explorer, Windows Fundamentals, Windows Authentication, Windows Cryptography, Windows Kernel, Windows Core Networking, Windows Storage and Filesystems, Windows Peripherals, Windows Network Security and Containers, and Windows Server.
As usual, these updates are mandatory. You can install them via Windows Update, or they"ll be installed automatically in the next few days.