Today marks the arrival of a new Windows 10 C-release preview update from Microsoft, identified as KB5043131 and Build 19045.4957. This non-security optional update introduces a variety of features and enhancements aimed at improving user experience.
Highlights and Improvements
The update showcases several noteworthy highlights:
- [Start menu] A fresh look for the Start menu now includes a repositioned profile picture and a new background color for the left pane, enhancing visibility for menu items. It’s important to note that this feature will be rolled out gradually, so not all users may see it immediately.
- [IE mode] Users may experience occasional unresponsiveness in Microsoft Edge when utilizing IE mode.
- [Media playback] Some media playback issues may arise when employing specific surround sound technologies.
In addition to these highlights, several improvements have been made:
- [Microsoft Entra single sign-on (SSO)] The SSO notice required by the European Digital Markets Act (DMA) is now less intrusive, addressing frequent prompts during certificate authentication. Further details can be found in the section on Upcoming changes to Windows single sign-on.
- [Country and Operator Settings Asset] This update refreshes COSA profiles for select mobile operators.
- [File Explorer and taskbar] Resolved issues where Windows server would become unresponsive when using applications like File Explorer and the taskbar.
- [Windows Update opt-in notifications] These notifications will now appear upon signing in.
- [Directory enumeration] Users may encounter failures if a directory contains symbolic links with lengthy target names.
- [Microsoft Defender for Endpoint] There are known syncing issues with Work Folders files when Defender for Endpoint is enabled.
Known Issues
Despite the enhancements, users should be aware of a known issue:
| Symptom | Workaround |
|---|---|
| Post-update, users may find themselves unable to change their user account profile picture. Attempting to do so via Start > Settings > Account > Your info and clicking Browse for one may result in an error message with code 0x80070520. | Microsoft is currently addressing this issue and plans to provide a resolution in a future release. |
For those who wish to manually download the update, it is available on the Microsoft Update Catalog website. Additional information can be found in the official support article on Microsoft’s website.
