To help keep Windows devices secure, Microsoft maintains several Secure Boot related components, including the Secure Boot signature databases (DB and DBX), the key exchange key (KEK), and the Windows boot manager.

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

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.

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.

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.

It consists of a command-line interface (CLI) utility to query and apply Secure Boot configurations locally to a machine. WinCS works off a configuration key that can be used with the command-line utility to modify the Secure Boot configuration state on the machine.

After two failed boot attempts, the device should automatically enter the Windows Recovery Environment (WinRE). For more info about how to shut down your device, see Force a shutdown and restart your Surface. From the Choose option menu, select Troubleshoot > Advanced options > Command Prompt.

This tool is particularly useful when your computer is experiencing issues such as missing or damaged system files, corrupted boot configuration data, or other startup-related problems. Follow these steps to access Startup Repair: Note: If you’ve encrypted your device, you’ll need your BitLocker key to complete this task.

Get Help has troubleshooters, or diagnostic tests, that can check your system configuration for anything that might be causing issues using your devices. View troubleshooter results. After you run any troubleshooter, Get Help provides details on any findings and suggestions for possible remedies.

To return your computer to a normal startup, follow the steps in the section, Reset the computer to start normally after clean boot troubleshooting. If the installation or uninstallation still fails, that means this issue is not caused by interference from a service or an app.