PowerTip: Update Windows Defender with PowerShell

PowerTip: Update Windows Defender with PowerShell

  • Comments 2
  • Likes

Summary: Use Windows PowerShell cmdlets in Windows 8.1 to update the antivirus definitions.

Hey, Scripting Guy! Question How can I use Windows PowerShell, rather than navigating the GUI, to force updates for Windows Defender?

Hey, Scripting Guy! Answer In Windows 8.1, you can execute the following cmdlet and bring the Windows Defender up to date:

Update-MPSignature

Your comment has been posted.   Close
Thank you, your comment requires moderation so it may take a while to appear.   Close
Leave a Comment
  • Hey Sean, thank you for sharing this tip. I had completely forgotten about this cmdlet.