PowerTip: Update Windows Defender with PowerShell

The Scripting Guys

Dr Scripto

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

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Dr Scripto

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