You can manually download the latest update. MpCmdRun.exe -removedefinitions -dynamicsignatures To clear the current cache and trigger an update, use a batch script that runs the following commands as an administrator: In Windows 10, select Check for updates in the Windows SecurityĮnterprise administrators can also push updates to devices in their network. Microsoft Defender Antivirus and other Microsoft antimalware solutions provide a way to manually trigger an update. This process might also address problems with automatic updates. If you don't already use Microsoft Defender Antivirus,Ī manually triggered update immediately downloads and applies the latest security intelligence. If you are having problems with Windows Update,
To help ensure your antimalware solution detects the latest threats, get updates automatically as part of Windows Update. Microsoft security intelligence updates include software that incorporates material from third parties. How to Trigger a Microsoft Defender Update Launch Windows Security through the Start menu and select Virus & threat protection. This security intelligence works directly with cloud-based protection to deliver fast and powerful AI-enhanced, Microsoft continually updates security intelligence in antimalware products to cover the latest threats and to constantly tweakĭetection logic, enhancing the ability of Microsoft Defender Antivirus and other Microsoft antimalware solutions to accurately
Security intelligence updates for Microsoft Defender Antivirus and other Microsoft antimalware