Microsoft has released a fix for a bug that made its Windows Defender Antivirus fail after a few seconds when users opted for a Quick or Full scan of the system.
Users are advised to implement security intelligence update (virus definitions) v1.301.1684.0 or later to get the software back on track.
Bundled antivirus protection
Windows Defender Antivirus is an anti-malware component of Microsoft Windows 10 – in essence, free antivirus software.
The software used to be called Microsoft Defender and came bundled with the popular OS since Windows 8. Windows Vista and Windows 7 depend on Microsoft Security Essentials for antivirus protection.