Unable to turn on or off real-time protection in Windows Defender? Check these GPEDIT and REGEDIT settings and disable other antivirus apps.

Troubleshoot definition update issues for Microsoft Defender (Windows Security) in Windows 11/10. Useful if it does not update automatically.

Microsoft has officially validated the workaround for the mayhem caused by Defender yesterday. The company has published a fix but has confirmed it can't restore the deleted shortcuts for you.