Microsoft Windows Server | WI534183

Impact: Apps to change behaviors or UI in Windows 11 might cause issues with updates released February 28, 2023 or later. Originating KB URL: https://support.microsoft.com/en-us/topic/5023774 Originating KB Release Date: 2023-03-28T10:00:00-07:00 Originating Build: 22000.30000 Resolved KB URL: N/A Date Resolved: 2023-04-21T18:16:29.8787248-07:00 Vendor Message History: ======================= Published: 2023-04-22T03:07:23.66+00:00 ---------------------------------------- After installing KB5023774 (https://support.microsoft.com/help/5023774) or later updates, Windows devices with some third-party UI customization apps might not start up. These third-party apps might cause errors with explorer.exe that might repeat multiple times in a loop. The known affected third-party UI customization apps are ExplorerPatcher and StartAllBack. These types of apps often use unsupported methods to achieve their customization and as a result can have unintended results on your Windows device. Workaround: We recommend uninstalling any third-party UI customization app before installing KB5023774 (https://support.microsoft.com/help/5023774) to prevent this issue. If your Windows device is already experiencing this issue, you might need to contact customer support for the developer of the app you are using. Resolution: ExplorerPatcher and StartAllBack have released a version which lists this issue as resolved. Note: If you are using any third-party UI customization app and encounter this or any other issues, you will need to contact customer support for the developer of the app you are using. Affected platforms: - Client: Windows 11, version 22H2; Windows 11, version 21H2 - Server: None Published: 2023-03-28T16:56:32.43+00:00 ---------------------------------------- After installing KB5023774 (https://support.microsoft.com/help/5023774) or later updates, Windows devices with some third-party UI customization apps might not start up. These third-party apps might cause errors with explorer.exe that might repeat multiple times in a loop. The known affected third-party UI customization apps are ExplorerPatcher and StartAllBack. These types of apps often use unsupported methods to achieve their customization and as a result can have unintended results on your Windows device. Workaround: We recommend uninstalling any third-party UI customization app before installing KB5023774 (https://support.microsoft.com/help/5023774) to prevent this issue. If your Windows device is already experiencing this issue, you might need to contact customer support for the developer of the app you are using. Next steps: We are presently investigating and will provide more information when it is available. If you are using any third-party UI customization app and encounter any issues, you will need to contact customer support for the developer of the app you are using. Affected platforms: - Client: Windows 11, version 22H2; Windows 11, version 21H2 - Server: None