Repair apps and programs in Windows - Microsoft Support
Repair programs in Control Panel.
Camera doesn't work in Windows - Microsoft Support
Common causes include missing drivers after a recent update, antivirus software blocking the camera, restrictive privacy settings, or issues with the app you're trying to use. This article provides a step-by-step guide to help you troubleshoot and resolve camera problems effectively.
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.
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.
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.
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.
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 Start to run that troubleshooter.
How to troubleshoot Windows Installer errors - Microsoft Support
The installation file is typically named Autorun.exe or Setup.exe, but this may vary. If you're not sure, check the Readme file in the folder for instructions about how to run the installation.
Surface camera not working - Microsoft Support
Try these solutions to fix any issues you might be having with the built-in camera (s) on your Surface. For example, it may be missing drivers or require a restart. It also may be that your privacy settings don't allow camera access for some apps, or there's a problem with the app you want to use.