Remove malware from your Windows PC - Microsoft Support
Microsoft Defender Antivirus is a powerful tool that finds and removes malware from your PC. Here's how to use it in Windows 10 or 11 to scan your PC.
Applies To:
OneDrive (home or personal), OneDrive for Windows
Remove specific prevalent malware with Windows Malicious Software ...
Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see Covered malware families). For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.
How to start a scan for viruses or malware in Microsoft Defender
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
Automatically fix Windows security issues - Microsoft Support
Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page.
Getting started with anti-malware in Microsoft Defender
Microsoft Defender's real-time anti-malware protection runs whenever your device is on, keeping an eye out for malicious activity. Microsoft Defender will also run quick scans of your device on a daily basis, in case anything manages to elude the real-time protection.
Applies To:
Microsoft Defender on Android, Microsoft Defender on Mac, Microsoft Defender on Windows
How to prevent and remove viruses and other malware
Malware is a term that is used for malicious software that is designed to do damage or unwanted actions to a computer system. Examples of malware include the following: Viruses. Worms. Trojan horses. Spyware. Rogue security software. Select a heading below for more information.
How to remove malware or viruses from my Windows 10 PC
How to remove malware or viruses from my Windows 10 PC - Microsoft Support. Windows 10. Microsoft Defender Antivirus and Windows Firewall are on your device to help protect it from viruses and other malicious software.
Add an exclusion to Windows Security - Microsoft Support
Security Windows 11 Windows 10. If you trust a file, file type, folder, or a process that Windows Security has detected as malicious, you can stop Windows Security from alerting you or blocking the program by adding the file to the exclusions list. Caution: Only do this for files that you're confident are safe.
Troubleshoot problems with detecting and removing malware
Troubleshoot problems with detecting and removing malware - Microsoft Support. Security Windows. The troubleshooting info in this topic might help you if you're experiencing any of the following problems when detecting and removing malware with Microsoft Defender Antivirus, Microsoft Security Essentials, or other Microsoft anti-malware solutions:
Microsoft Malware Protection Engine deployment information
Introduction. This article discusses how to update the Malware Protection Engine. The article provides details about prerequisites, restart requirements, removal information, and how to verify that the updates were installed correctly. The information in this article applies to the following products: