Xbox Support
Learn how to troubleshoot installation and update issues with Gaming Services on PC using the Xbox Gaming Services Repair Tool.
Fix problems that block programs from being installed or removed
Block you from uninstalling a program through Add or Remove Programs (or Programs and Features) in Control Panel. If you're trying to remove malware, you can use Windows Security (or another antivirus tool), or you can use the Windows Malicious Software Removal tool.
Gaming Services Repair Tool for PC | Xbox Support
Learn how to use the Gaming Services Repair Tool to troubleshoot installation and update issues with Gaming Services on PC.
Uninstall or remove apps and programs in Windows - Microsoft Support
There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.
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:
Game installation issues on PC | Xbox Support
Having trouble installing an Xbox game on your PC? Get more information on how to install games.
List of security program cleanup and uninstall tools
Provides links to the uninstall tools and directions for many security programs.
Use the System File Checker tool to repair missing or corrupted system ...
Use the System File Checker tool to repair missing or corrupted system files. When critical Windows system files are missing or corrupted, some Windows features may stop working correctly or Windows may stop responding altogether.
System Restore - Microsoft Support
Learn how to use System Restore in Windows.
Automatically fix Windows security issues - Microsoft Support
Troubleshoots and fixes common issues with security and malware prevention in Windows.