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
Microsoft resources and guidance for removal of malware and viruses
Learn how to use Microsoft Safety Scanner and other Microsoft tools and resources to detect and remove malware and viruses from your Windows-based computer. Find links to security updates, information centers, knowledge base articles, and support options.
You cannot download the Microsoft Safety Scanner because of a malware ...
Learn how to download and run the Microsoft Safety Scanner on a computer infected by malware. You can use removable media or contact Microsoft Support for assistance.
Get help with Windows safety | Microsoft Support
Microsoft Safety Scanner Protect your Windows computer from malware with Microsoft Safety Scanner - the ultimate tool for finding and removing malicious software.
Stay protected with the Windows Security app | Microsoft Support
One of the key benefits of the Windows Security app is its ability to provide real-time protection. Microsoft Defender Antivirus continuously scans your device for potential threats and takes immediate action to neutralize them.
Remove specific prevalent malware with Windows Malicious Software ...
To manually run the tool multiple times a month, download the tool from the Download Center or by visiting the Microsoft Safety & Security Center website. For an online scan of your system by using the Microsoft Defender Safety Scanner, go to the Microsoft Safety Scanner website.
Scan an item with Windows Security - Microsoft Support
You'll be notified immediately if any threats are found. To scan specific files or folders, right-click a file or folder, select Show more options, and then select Scan with Microsoft Defender. When the scan is complete, you'll see the Scan options page letting you know the results of the scan.
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
Virus and Threat Protection in the Windows Security App
Learn how to use virus and threat protection options in Windows Security to scan your device for threats and view the results.
Troubleshoot problems with detecting and removing malware
Solve problems with detecting and removing malware with Windows Security, including incomplete scans, detection errors, and persistent malware.