List of security program cleanup and uninstall tools
Provides links to the uninstall tools and directions for many security programs.
Automatically fix Windows security issues - Microsoft Support
Troubleshoots and fixes common issues with security and malware prevention in Windows.
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.
Virus and Threat Protection in the Windows Security App
Real-time protection is a feature in the Windows Security app that continuously monitors your device for potential threats such as viruses, malware, and spyware. This feature ensures that your device is actively protected by scanning files and programs as they are accessed or executed.
How to start a scan for viruses or malware in Microsoft Defender
Microsoft security help and learning. If you suspect that your device may have malware you should have Microsoft Defender run a scan. 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
Windows Security app update - Microsoft Support
To install the update, use either of the following methods. Automatically install from Windows Update. KB5007651. Manually download the update. Note: Run the installation as an administrator. Learn more about the Windows Security app here.
Stay Protected With the Windows Security App - Microsoft Support
Learn about the Windows Security app and some of the most common tools you can use.
App & Browser Control in the Windows Security App
In the Windows Security app on your PC, select App & browser control, or use the following shortcut: App & browser control. Smart App Control adds significant protection from new and emerging threats by blocking apps that are malicious or untrusted.
Fix problems that block programs from being installed or removed
After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we recommend moving to Windows 11. Learn more. Note: Use these steps for Windows programs.
Device Security in the Windows Security App - Microsoft Support
In the Windows Security app on your PC, select Device security, or use the following shortcut: Device security. A Secured-core PC is designed to provide advanced security features right out of the box. These PCs integrate hardware, firmware, and software to offer robust protection against sophisticated threats.