Does Windows 10 Defender Scan Automatically?
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Like other antivirus apps, Windows Defender automatically runs in the background, scanning files when they’re downloaded, transferred from external drives, and before you open them.

How often does Windows Defender run a scan?

It used to be once every 5-10 days. I’ve started leaving my PC idle for long periods of time daily, and now it’s scanning once every day.

Does Windows Defender automatically scan?

Automatic Scans

Like other anti-malware applications, Windows Defender automatically runs in the background, scanning files when they are accessed and before user open them. When a malware is detected, Windows Defender inform you.

Sarah Jenkins

Sarah Jenkins

Senior Technology Editor & AI Specialist

Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.

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