Select Start , and then select Settings > Update & Security > Windows Security > Virus & threat protection .In this situation, you can start a Windows Defender Offline scan from Windows Security settings. You suspect your PC might have malware that’s hiding on it, but your security software doesn’t detect anything.You might see a message stating that malware was found on your device, or receive a message in Windows Security notifying you that additional cleaning is required. Windows Security (named Windows Defender Security Center in previous versions of Windows) detects rootkits or other highly persistent malware on your PC and alerts you to use Windows Defender Offline.In this guide, we’ll show you how to download and use Windows Defender Offline to create offline scanning, which can help you solve problems when you are poisoned malware. There are many ways you can do to make offline malware cleanup disks, and Windows Defender Offline is one of them. At this time, we can find a way to use the Linux boot disk or Windows PE boot disk to perform offline scanning without booting the operating system.

Have you ever encountered a situation that is difficult to remove computer virus after infecting malware? Even if the latest anti-virus software is installed on the computer, it is very difficult to clean up after infecting some viruses.

Microsoft defender offline scan