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.
Use the System File Checker tool to repair missing or corrupted system ...
Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista. true.
Remove malware from your Windows PC - Microsoft Support
Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.
Applies To: OneDrive (home or personal), OneDrive for Windows
Add an exclusion to Windows Security - Microsoft Support
Find out how to stop Windows Security from alerting you about or blocking a trusted file, file type, or process, by adding it to the exclusions list.
Protect your PC from potentially unwanted applications
To configure potentially unwanted app blocking go to Start > Settings > Update & Security > Windows Security > App & browser control > Reputation-based protection settings. There you'll find a control that lets you turn potentially unwanted app blocking off, and select if you want to block apps, downloads, or both.
How to use the PC Health Check app - Microsoft Support
PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC. How to open PC Health Check.
Troubleshooting tips for installing and updating Microsoft Edge
If you run into problems downloading, installing, or updating the new Microsoft Edge , here are a few things you can try. The tips are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn’t. 1. Check your operating system.
Create installation media for Windows - Microsoft Support
Learn how to create installation media for installing or reinstalling Windows 7, Windows 8.1, or Windows 10.
Recovery options in Windows - Microsoft Support
If you're having problems with your PC, the following table can help you decide which recovery option to use. Select one of the recovery options below and follow the steps to try to get things working again. Learn about the recovery options in Windows.
App & browser control in Windows Security - Microsoft Support
App & browser control in Windows Security provides the settings for Microsoft Defender SmartScreen, which helps protect your device from potentially dangerous apps, files, websites, and downloads. The settings on the App & browser control page let you: Block unrecognized apps, files, malicious sites, downloads, and web content.