When critical Windows system files are missing or corrupted, your operating system may begin to malfunction. Common symptoms include Windows features not working properly, system errors, or Windows becoming unresponsive or freezing.

When you turn on your Surface, it displays the following message: Couldn't find a bootable operating System. Check the Boot Configuration to try to fix this. On older devices, the Surface turns on and displays a drive icon with an X in the top right corner. When you turn on your Surface, it boots to UEFI (Unified Extensible Firmware Interface).

To use the Offline System Update, you'll need: Note The original Xbox One console may require an extra update, depending on which version of the operating system it is currently running. If you have an original Xbox One console, skip to the ”Original Xbox One console only” section below.

You can find the tool in the Xbox app by selecting your gamerpic > Support > Drive Compatibility Tool. Note that the link to the tool will only appear if an incompatible drive is attached. Drive repair unsuccessful. If the drive repair is unsuccessful, try restarting your device and running the tool again.

To find a solution to your issue, type the error code or message into the Xbox Support search bar. While you're playing a game, if you see unexpected images on your screen or pixilation (where an image doesn't appear to display correctly), your display driver may have a problem. For help troubleshooting display problems:

Secure Boot helps prevent bootkit malware in the boot sequence. Disabling Secure Boot puts a device at risk of being infected by bootkit malware. Fixing the Secure Boot bypass described in CVE-2023-24932 requires revoking boot managers. This could cause issues for some device boot configurations.

To install the Xbox Accessories app on your PC, visit the Store: Open the Xbox Accessories app on your console or PC. On the screen for your controller in the Accessories app, select “…” to open the device details screen. Before you recalibrate your controller, check to see whether there's a firmware update available for your controller.

Topics include Secure Boot certificate update failures, incorrect Secure Boot states, unexpected BitLocker recovery prompts, and boot failures following Secure Boot configuration changes.

All Windows devices with Secure Boot enabled must be updated to the 2023 certificates before expiration to ensure continued security update support. This guide provides a monitoring-only approach using Microsoft Intune Remediations (Proactive Remediations).

Microsoft resolved this issue for affected devices with an out-of-band (OOB) update, KB5121767. Secure Boot certificates used by most Windows devices were set to expire starting in June 2026. Microsoft has been updating these certificates on PCs and non-managed business devices for the past months.