microsoft safety scanner scans all drives defender does not

(Recommended) A quick scan looks at all the locations where there could be malware registered to start with the system, such as registry keys and known Windows startup folders.Ĭombined with always-on, real-time protection, which reviews files when they're opened and closed, and whenever a user navigates to a folder, a quick scan helps provide strong protection against malware that starts with the system and kernel-level malware. This scan provides an opportunity to find existing threats and helps populate the cache for future scans. In most cases, a quick scan is recommended however, we also recommend that you run at least one full scan after installing or enabling Defender Antivirus. When you set up scheduled scans, you can specify whether the scan should be a full or quick scan. Microsoft Defender Antivirus will run a full scan at the next scheduled time. If a device is unplugged and running on battery during a scheduled full scan, the scheduled scan will stop with event 1002, which states that the scan stopped before completion.

You can manage the schedule for when protection updates should be downloaded and applied to override this default. Use Windows Management Instrumentation to schedule antivirus scansīy default, Microsoft Defender Antivirus checks for an update 15 minutes before the time of any scheduled scans.Use Windows PowerShell to Schedule antivirus scans.Use Group Policy to schedule antivirus scans.Learn about quick scans, full scans, and custom scans.You can also set up special scans to complete remediation actions if needed.

You can configure the type of scan, when the scan should occur, and if the scan should occur after a protection update or when an endpoint isn't being used. In addition to always-on, real-time protection and on-demand antivirus scans, you can set up regular, scheduled antivirus scans.

Microsoft safety scanner scans all drives defender does not