which can be run from a removable media like a DVD, or USB drive and can be used to boot your PC, and then run the scan. Read: Windows Defender Offline Scan vs Full Scan vs Quick Scan explained.

In order to scan all drives with Windows Defender or Windows Security, you need to use the Full scan option. Although there is a Quick scan option, you need to use the other one to scan everything.

The users said that Windows Defender "Quick" and "Full" antivirus scans stopped within seconds after scanning just a handful of files. Normally, those examine thousands of files and take several ...

To boot into Safe Mode, go to Settings > System > Recovery, and click "Restart Now" under Advanced Startup. After your system restarts, navigate to Troubleshoot > Advanced Options > Startup Settings > ...

Since Microsoft Defender is part of Windows 7 and later ... I can run quick scans for malware, full scans, and even offline ...