Use the System File Checker tool to repair missing or corrupted system ...
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.
Perform an offline system update | Xbox Support
The Xbox Offline System Update (OSU) process allows you to update your console by downloading a file to a USB flash drive and then installing that file directly onto your Xbox Series X|S or Xbox One console. To use the Offline System Update, you'll need:
2024 Xbox system updates | Xbox Support - support.xbox.com
Press the Xbox button to open the guide and select Profile & system > Settings. Select System > Console info. Your OS version and Shell version are in the second column. Review the “Known Issues” section for the update that you’re reviewing to determine if your issue is currently being tracked.
What's new: Xbox system updates | Xbox Support
Find a rundown of new and updated features and functionality that's been added to Xbox consoles in the latest system updates.
Fix problems that block programs from being installed or removed
First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open. The troubleshooter provides steps for you to follow. If a program isn't listed in the uninstall options, you'll be asked for that program's product code.
Error E305 occurs when you try to update your Xbox console
If you see error E305 when you try to update your Xbox console, this means there may have been a problem installing the update. Find more solutions here.
Xbox Support
Xbox Support ... Xbox Support
December 9, 2025—KB5071417 (OS Build 22631.6345)
To get the standalone package for this update, go to Microsoft Update Catalog. To remove the LCU after installing the combined SSU and LCU package, use the DISM/Remove-Package command line option with the LCU package name as the argument. You can find the package name by using this command: DISM /online /get-packages.
December 9, 2025—KB5071544 (OS Build 17763.8146)
Download the file information for the SSU (KB5070248) - version 17763.8020 update now.
Registry key updates for Secure Boot: Windows devices with IT-managed ...
Two keys for managing the opt in/opt out settings for the two available deployment assists. These registry keys can be set manually on the device or remotely through available fleet management software.