How to start a scan for viruses or malware in Microsoft Defender - Microsoft Support. Microsoft Defender on Android Microsoft Defender on Mac More... You can start a scan for malware any time you like. Note: Microsoft Defender currently offers anti-malware on Windows, Android, and macOS. Windows Android Mac. From the Microsoft Defender dashboard.

Antivirus and antimalware software: FAQ. Security Windows Windows 11. Here are answers to common questions about Microsoft security software, including updates, where to download, and common software errors.

Select Virus & threat protection > Scan options. Select Microsoft Defender Antivirus (offline scan), and then select Scan now. The Microsoft Defender Offline scan takes several minutes to run, and then your PC will restart. View the results of your scan. Open your Windows Security settings. Select Virus & threat protection > Protection history.

Launch the Xbox app for PC. Click your Profile picture. Click on Support. Click on Gaming Services Repair Tool. Click on Start Troubleshooting.

Scan a picture or document with Windows Scan app. Find saved scans. Learn how to install a scanner and use it to scan pictures and documents in Windows 10.

Each release of the tool helps detect and remove current, prevalent malicious software. This malicious software includes viruses, worms, and Trojan horses. Microsoft uses several metrics to determine the prevalence of a malicious software family and the damage that can be associated with it.

If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

Windows 11 Windows 10. You'll need 2 things installed on your PC: A scanner you've connected using a wired, wireless, or network connection. An app for scanning files, such as Windows Scan, available for free from Microsoft Store. The Windows Scan app can help you scan pictures or documents and save them to your PC as JPEG, bitmap, or PNG files.

Windows 11 Windows 10. When your camera isn't working in Windows 11, it might be missing drivers after a recent update. It's also possible that your antivirus program is blocking the camera, your privacy settings don't allow camera access for some apps, or there's a problem with the app you want to use. Before you begin.

Download the tool. You can manually download the MSRT from the Microsoft Download Center. The following files are available for download: For 32-bit x86-based systems: Download the x86 MSRT package now. For 64-bit x64-based systems: Download the x64 MSRT package now. Deployment overview.