Impact: Some users reported the update’s download stops at 96% and fails to install on Windows 11 versions 22H2 and 23H2. Originating KB URL: https://support.microsoft.com/en-us/topic/5034765 Originating KB Release Date: 2024-02-13T10:00:00-08:00 Originating Build: 22621.3155 Resolved KB URL: https://support.microsoft.com/en-us/topic/5035853 Date Resolved: 2024-03-12T10:00:00-07:00 All Updates: ------------------------------------------------------ March 15, 2024 00:29 AM Windows 11 devices attempting to install the February 2024 security update, released February 13, 2024 (KB5034765 (https://support.microsoft.com/help/5034765)), and the non-security preview update, released February 29, 2024 (KB5034848 (https://support.microsoft.com/help/5034848)), might face issues during the update process. The installation might fail when the update's download reaches 96% of completion, and the device might roll back to the previous update installed. Resulting from this error, the following message might be displayed: - “Something didn’t go as planned. No need to worry – undoing changes. Please keep your computer on”. This issue might be reflected in the Windows Event Viewer with error code ‘0x800F0922’. Resolution: This issue was resolved in updates released March 12, 2024 (KB5035853 (https://support.microsoft.com/help/5035853)) and later. We recommend you install the latest security update for your device. It contains important improvements and issue resolutions, including this one. If you are using an update released before March 12, 2024, and have this issue, you can resolve it by applying the workaround listed below. Workaround: This issue can be prevented by deleting the hidden folder C:\$WinREAgent. A restart might be required. After following these steps, installing the February 2024 security update should succeed. Below are two possible ways to delete the C:\$WinREAgent folder. 1) Manually delete the folder: To delete a hidden folder in Windows 11, you need to first make the folder visible and then delete it. 1. Open File Explorer from the Taskbar, or by pressing Windows key + E. 2. Click on the three-dotted icon and select Options. 3. Go to the View tab and select the Show hidden files, folders, and drives option. Click the OK button to save the change. 4. Now, you should be able to see the hidden folder C:\$WinREAgent in File Explorer. Right-click the hidden folder C:\$WinREAgent and select Delete. 2) Run a script to delete the folder: 1. Open the start menu and type command prompt. 2. From the results displayed at the right side of the start menu, select ‘Run as administrator’. 3. On the command prompt, type the command rd /s /q "C:\$WinREAgent" and press enter. 4. If no message is displayed, it means the command has succeeded and the folder has been deleted. You can proceed to close the command prompt window. a. Note that a message is only displayed if an error was encountered. In this case, we recommend deleting the folder manually. Affected platforms: - Client: Windows 11, version 23H2; Windows 11, version 22H2 - Server: None ------------------------------------------------------ March 12, 2024 16:59 PM Windows 11 devices attempting to install the February 2024 security update, released February 13, 2024 (KB5034765 (https://support.microsoft.com/help/5034765)), and the non-security preview update, released February 29, 2024 (KB5034848 (https://support.microsoft.com/help/5034848)), might face issues during the update process. The installation might fail when the update's download reaches 96% of completion, and the device might roll back to the previous update installed. Resulting from this error, the following message might be displayed: - “Something didn’t go as planned. No need to worry – undoing changes. Please keep your computer on”. This issue might be reflected in the Windows Event Viewer with error code ‘0x800F0922’. Resolution: This issue was resolved in updates released March 12, 2024 (KB5035853 (https://support.microsoft.com/help/5035853)) and later. We recommend you install the latest security update for your device. It contains important improvements and issue resolutions, including this one. If you are using an update released before March 12, 2024, and have this issue, you can resolve it by applying the workaround listed below. Workaround: This issue can be prevented by deleting the hidden folder C:\$WinREAgent. A restart might be required. After following these steps, installing the February 2024 security update should succeed. Below are two possible ways to delete the C:\$WinREAgent folder. 1) Manually delete the folder: To delete a hidden folder in Windows 11, you need to first make the folder visible and then delete it. 1. Open File Explorer from the Taskbar, or by pressing Windows key + E. 2. Click on the three-dotted icon and select Options. 3. Go to the View tab and select the Show hidden files, folders, and drives option. Click the OK button to save the change. 4. Now, you should be able to see the hidden folder C:\$WinREAgent in File Explorer. Right-click the hidden folder C:\$WinREAgent and select Delete. 2) Run a script to delete the folder: 1. Open the start menu and type command prompt. 2. From the results displayed at the right side of the start menu, select ‘Run as administrator’. 3. On the command prompt, type the command rd /s /q "C:\$WinREAgent" and press enter. 4. If no message is displayed, it means the command has succeeded and the folder has been deleted. You can proceed to close the command prompt window. a. Note that a message is only displayed if an error was encountered. In this case, we recommend deleting the folder manually. Next steps: We are working on a resolution for this issue and will provide an update in an upcoming release. Affected platforms: - Client: Windows 11, version 23H2; Windows 11, version 22H2 - Server: None ------------------------------------------------------ March 05, 2024 02:25 AM Windows 11 devices attempting to install the February 2024 security update, released February 13, 2024 (KB5034765 (https://support.microsoft.com/help/5034765)), and the non-security preview update, released February 29, 2024 (KB5034848 (https://support.microsoft.com/help/5034848)), might face issues during the update process. The installation might fail when the update's download reaches 96% of completion, and the device might roll back to the previous update installed. Resulting from this error, the following message might be displayed: - “Something didn’t go as planned. No need to worry – undoing changes. Please keep your computer on”. This issue might be reflected in the Windows Event Viewer with error code ‘0x800F0922’. Workaround: This issue can be prevented by deleting the hidden folder C:\$WinREAgent. A restart might be required. After following these steps, installing the February 2024 security update should succeed. Below are two possible ways to delete the C:\$WinREAgent folder. 1) Manually delete the folder: To delete a hidden folder in Windows 11, you need to first make the folder visible and then delete it. 1. Open File Explorer from the Taskbar, or by pressing Windows key + E. 2. Click on the three-dotted icon and select Options. 3. Go to the View tab and select the Show hidden files, folders, and drives option. Click the OK button to save the change. 4. Now, you should be able to see the hidden folder C:\$WinREAgent in File Explorer. Right-click the hidden folder C:\$WinREAgent and select Delete. 2) Run a script to delete the folder: 1. Open the start menu and type command prompt. 2. From the results displayed at the right side of the start menu, select ‘Run as administrator’. 3. On the command prompt, type the command rd /s /q "C:\$WinREAgent" and press enter. 4. If no message is displayed, it means the command has succeeded and the folder has been deleted. You can proceed to close the command prompt window. a. Note that a message is only displayed if an error was encountered. In this case, we recommend deleting the folder manually. Next steps: We are working on a resolution for this issue and will provide an update in an upcoming release. Affected platforms: - Client: Windows 11, version 23H2; Windows 11, version 22H2 - Server: None ------------------------------------------------------ February 29, 2024 19:29 PM Windows 11 devices attempting to install the February 2024 security update, released February 13, 2024 (KB5034765 (https://support.microsoft.com/help/5034765)), might face issues during the process and the installation might roll back at 96%. Resulting from this error, the following message might be displayed: - “Something didn’t go as planned. No need to worry – undoing changes. Please keep your computer on”. This issue might be reflected in the Windows Event Viewer with error code ‘0x800F0922’. Workaround: This issue can be prevented by deleting the hidden folder C:\$WinREAgent. A restart might be required. After following these steps, installing the February 2024 security update should succeed. Below are two possible ways to delete the C:\$WinREAgent folder. 1) Manually delete the folder: To delete a hidden folder in Windows 11, you need to first make the folder visible and then delete it. 1. Open File Explorer from the Taskbar, or by pressing Windows key + E. 2. Click on the three-dotted icon and select Options. 3. Go to the View tab and select the Show hidden files, folders, and drives option. Click the OK button to save the change. 4. Now, you should be able to see the hidden folder C:\$WinREAgent in File Explorer. Right-click the hidden folder C:\$WinREAgent and select Delete. 2) Run a script to delete the folder: 1. Open the start menu and type command prompt. 2. From the results displayed at the right side of the start menu, select ‘Run as administrator’. 3. On the command prompt, type the command rd /s /q "C:\$WinREAgent" and press enter. 4. If no message is displayed, it means the command has succeeded and the folder has been deleted. You can proceed to close the command prompt window. a. Note that a message is only displayed if an error was encountered. In this case, we recommend deleting the folder manually. Next steps: We are working on a resolution for this issue and will provide an update in an upcoming release. Affected platforms: - Client: Windows 11, version 23H2; Windows 11, version 22H2 - Server: None ------------------------------------------------------ February 29, 2024 01:41 AM Windows 11 devices attempting to install the February 2024 security update, released February 13, 2024 (KB5034765 (https://support.microsoft.com/help/5034765)) might face installation failures and the system might stop responding at 96%. Resulting from this error, the following message might be displayed: - “Something didn’t go as planned. No need to worry – undoing changes. Please keep your computer on”. This issue might be reflected in the Windows Event Viewer with error code ‘0x800F0922’. Workaround: This issue can be prevented by deleting the hidden folder C:\$WinREAgent. A restart might be required. After following these steps, installing the February 2024 security update should succeed. Below are two possible ways to delete the C:\$WinREAgent folder. 1) Manually delete the folder: To delete a hidden folder in Windows 11, you need to first make the folder visible and then delete it. 1. Open File Explorer from the Taskbar, or by pressing Windows key + E. 2. Click on the three-dotted icon and select Options. 3. Go to the View tab and select the Show hidden files, folders, and drives option. Click the OK button to save the change. 4. Now, you should be able to see the hidden folder C:\$WinREAgent in File Explorer. Right-click the hidden folder C:\$WinREAgent and select Delete. 2) Run a script to delete the folder: 1. Open the start menu and type command prompt. 2. From the results displayed at the right side of the start menu, select ‘Run as administrator’. 3. On the command prompt, type the command rd /s /q "C:\$WinREAgent" and press enter. 4. If no message is displayed, it means the command has succeeded and the folder has been deleted. You can proceed to close the command prompt window. a. Note that a message is only displayed if an error was encountered. In this case, we recommend deleting the folder manually. Next steps: We are working on a resolution for this issue and will provide an update in an upcoming release. Affected platforms: - Client: Windows 11, version 23H2; Windows 11, version 22H2 - Server: None Click here (https://admin.microsoft.com/Adminportal/Home?#/windowsreleasehealth/:/wrhpreferences) to manage email notifications for Windows known issues ------------------------------------------------------ February 26, 2024 21:17 PM Windows 11 devices attempting to install the February 2024 security update, released February 13, 2024 (KB5034765 (https://support.microsoft.com/help/5034765)) might face installation failures and the system might stop responding at 96%. Resulting from this error, the following message might be displayed: - “Something didn’t go as planned. No need to worry – undoing changes. Please keep your computer on”. This issue might be reflected in the Windows Event Viewer with error code ‘0x800F0922’. Workaround: This issue can be prevented by deleting the hidden folder C:\$WinREAgent. A restart might be required. After following these steps, installing the February 2024 security update should succeed. Next steps: We are working on a resolution for this issue and will provide an update in an upcoming release. Affected platforms: - Client: Windows 11, version 23H2; Windows 11, version 22H2 - Server: None