This update does not include any new features, but mostly the fixes and improvements that have already been made to the other channels. Let us take a look at what this flight offers.
New in KB5017389 (Build 22621.607)
The following list of fixes and improvements have been implemented with this release:
New in KB5017389 (Build 22621.607) How to Install Windows 11 Build 22621.607 (KB5017389) Rollback/Remove Windows 11 Insider Preview Update Cleanup After Installing Windows Updates
An issue that affects some apps that were not signed by the Microsoft Store is now addressed. You must reinstall them after you upgrade the OS.Some issues that cause updates to the Microsoft Store to fail are fixed.An issue that stops you from signing in to various Microsoft Office 365 apps has been fixed. This affects Outlook, Word, Teams, etc.The start date for daylight saving time in Chile has been updated. It will start on September 11, 2022, instead of on September 4, 2022.An issue that affects the Windows Search service is fixed. It caused the indexing progress for the service to be slow.An issue that affects some processors has been addressed. The issue occurred when you turn on Hyper-V and kernel Direct Memory Access (DMA) protections.An issue that affects a network’s static IP is now addressed. The issue caused the configuration of the static IP to be inconsistent. Because of this, NetworkAdapterConfiguration() failed sporadically.An issue that affects Task Manager is fixed. It stopped working when you switched between light and dark mode or change the accent color.An issue that affects the font of three Chinese characters has been addressed. When you formatted these characters as bold, the width size is wrong.An issue that affects graphics drivers that use d3d9on12.dll has been fixed.The power that the Dynamic Host Configuration Protocol uses on some devices when they are in Sleep mode has been reduced.An issue that affects URLs generated by JavaScript: URLs has been taken care of. These URLs did not work as expected when you added them to the Favorites menu in IE mode.An issue that forces the IE mode tabs in a session to reload is fixed.An issue that affects window.open in IE mode is fixed.An issue that successfully opens a browser window in IE mode to display a PDF file has been addressed. Later, browsing to another IE mode site within the same window failed.An issue that affects the Microsoft Japanese input method editor (IME) is now fixed. Text reconversion failed when you used some third-party virtual desktops.An issue that might cause an application to stop responding has been addressed. This might occur when the input queue overflows.An issue that affects XML Paper Specification (XPS) viewers is fixed. This might have stopped you from opening XPS files in some non-English languages. This issue affects XPS and Open XPS (OXPS) files.An issue that creates a duplicate print queue is fixed. Because of this, the original print queue stopped working.An issue that might bypass MSHTML and ActiveX rules for Windows Defender Application Control (WDAC) has been addressed.An issue that affects the Miracast UI is fixed. Sometimes it closed too soon when you cast to devices that use the DeviceObjectType:Aep.More dynamic Widgets content has been added to the taskbar with notification badging. When you open the Widgets board, a banner appears at the top of the board. It provides more information about what triggered the notification badge.An issue that affects the SharedPC account manager is fixed. The issue stopped it from deleting many accounts during cleanup.An issue that causes LogonUI.exe to stop working has been fixed. Because of this, you could not dismiss the lock screen to view the credentials screen.An issue that affects Dual SIM calling has been addressed. If you selected no SIM on your phone and initiated a call on your device, the Dual SIM functionality did not work.An issue that affects the FindNextFileNameW() has been fixed. It may have leaked memory.An issue that affects robocopy has been fixed. Robocopy failed to set a file to the right modified time when using the /IS.An issue that affects cldflt.sys is fixed. A stop error occurred when it was used with Microsoft OneDrive.An issue that affects Roaming User Profiles is fixed. After you sign in or sign out, some of the settings were not restored.An issue that affects the LanmanWorkstation service is fixed. It leaked memory when you mount a network drive.
With these improvements, Microsoft did not disclose any known issues with the release. Let us now discuss how to install this update.
How to Install Windows 11 Build 22621.607 (KB5017389)
To install this update, you need to be running Windows 11 and subscribed to the Release Preview channel. If you have enabled Windows updates, you will automatically get a “New features are ready to install” prompt. If not, follow these steps to install this update: Once the computer restarts, you can verify that the OS has been updated by typing in winver in the Run Command box. When it downloads, click Install in front of it.
Rollback/Remove Windows 11 Insider Preview Update
If you do not wish to keep the installed preview update for some reason, you can always roll back to the previous build of the OS. However, this can only be performed within the next 10 days after installing the new update. To roll back after 10 days, you will need to apply this trick.
Cleanup After Installing Windows Updates
If you want to save space after installing Windows updates, you can run the following commands one after the other in Command Prompt with administrative privileges:
