All versions of Windows 10 are receiving a new cumulative update from Microsoft bringing update reliability and performance improvements to the operating system. Windows 10 KB4023057 is now available for all versions except for the latest October 2018 Update.
Versions getting this latest update include Windows 10 original (1507), the November update (1511), the Anniversary Update (1607), the Creators Update (1703), the Fall Creators Update (1709), and the April 2018 Update (1803). However, Microsoft said that only some certain builds of the above versions need this latest update. The software maker has now shared a document detailing what the latest update is trying to fix.
Here's the complete changelog of Windows 10 KB4023057
This update includes files and resources that address issues that affect the update processes in Windows 10 that may prevent important Windows updates from being installed. These improvements help make sure that updates are installed seamlessly on your device, and they help improve the reliability and security of devices that are running Windows 10.
Notes about this update
This update may request your device to stay awake longer to enable installation of updates.
Note The installation will respect any user-configured sleep configurations and also your "active hours" when you use your device the most.
This update may try to reset network settings if problems are detected, and it will clean up registry keys that may be preventing updates from being installed successfully.
This update may repair disabled or corrupted Windows operating system components that determine the applicability of updates to your version of Windows 10.
This update may compress files in your user profile directory to help free up enough disk space to install important updates.
This update may reset the Windows Update database to repair the problems that could prevent updates from installing successfully. Therefore, you may see that your Windows Update history was cleared.
Important information about devices that have low disk space
When a Windows feature update is available for your device, you may see a message on the Windows Update settings page or elsewhere that asks you to free up disk space by removing files or applications that you do not use regularly. If you see this message, select Fix issues to free up disk space on your device.
After the Windows update has installed, some users may be prompted to restart their device. See Free up drive space in Windows 10 for more information about other ways that you can free up disk space on your device.
Compressing files
To help free up disk space, this update may compress files in your user profile directory so that Windows Update can install important updates. When files or folders are compressed, they appear as having two blue arrows overlaid on the icon. Depending on your File Explorer settings, you may see icons that look larger or smaller. The following screen shot shows an example of these icons.
After you install the update, your files are restored to their original state, and the blue arrows disappear from the file icons in File Explorer. At any point during the update process, you should be able to access your files.
Microsoft Support notification
This update may display a notification on devices that are running low on space. If selected, this notification will open a Microsoft Support URL in the default browser with contact options for Microsoft support so you can easily get help freeing up space on your device.
If your machine is running on any version of Windows 10 except for version 1809, this update should install automatically through Windows Update. The update isn't available through the Microsoft Update Catalog for manual installation.
