Microsoft fixes known issue causing Windows Defender crashes

Microsoft has resolved a bug that caused Windows Defender to crash after a recent security update, resulting in 0xc0000005 ...
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Windows 11 is warning “Virus protection is off,” Microsoft confirms it’s false, but verify if Defender is actually enabled

If Windows 11 is sending alerts that you need to turn on virus protection and your PC is unprotected, don't worry.
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Microsoft releases fix for RoguePlanet Defender flaw (CVE-2026-50656)

CVE-2026-50656 is due to improper link resolution before file access, affects Windows 10 and Windows 11, and may allow authenticated attackers to achieve SYSTEM-level privileges on vulnerable machines ...

VideoLAN blames Microsoft Defender for VLC performance issue

A bug involving Microsoft Defender causes MP3 files to take over 30 seconds to open in VLC media player. The delay occurs when Defender scans VLC's plugin cache during startup, but users can resolve ...