How to start a scan for viruses or malware in Microsoft Defender
Here's how to do that on Windows, Mac, or Android.
Applies To: Microsoft Defender on Android, Microsoft Defender on Mac, Microsoft Defender on Windows
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
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.
List of security program cleanup and uninstall tools
Provides links to the uninstall tools and directions for many security programs.
Troubleshoot performance and stability issues in PC games
Get help when you experience performance issues with games on your PC.
Windows troubleshooters - Microsoft Support
Get Help has troubleshooters you can run for many common scenarios. These often help resolve issues without the need to contact support. If a troubleshooter is available for your issue, select Run to start that troubleshooter.
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.
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.
Update your Xbox Wireless Controller | Xbox Support
Keeping your controller updated with the latest software maximizes your controller's capabilities and compatibility. You can update your controller wirelessly, with a USB connection, or on a PC using the Xbox Accessories app. If you encounter any issues while updating your controller, go to: I can’t update my Xbox controller.
Download and install apps - Microsoft Support
Learn how to download and install apps you need from your Microsoft 365 business subscription.