Guide | How To How To Update Windows Defender using CommandLine

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How To Update Windows Defender using CommandLine​

Useful for:

• Windows 8 users who do not want to modify the Registry
• Windows 8 users who do not use real-time protection, but want it remained on-demand

• Before: Windows Defender with RT disabled

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• Desktop > Right-click > New > Shortcut
  

  "C:\Program Files\Windows Defender\MpCmdRun.exe" -SignatureUpdate

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• Right-click > Properties > Change Icon (To apply an Icon to the Shortcut)

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• Right-click > Properties > Advanced (Enable Run as Administrator)
  Click OK > Apply > OK to confirm all changes

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• Running the WD Update Signatures shortcut from the Desktop
  Allow UAC prompt

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• After: Windows Defender w/ RT disabled

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References : TechNet.Microsoft