How to Reinstall and Re-register Cortana in Windows 10

If Cortana is not working, then reinstalling the app package for Cortana and re-registering Cortana may help fix it.

This tutorial will show you how to reinstalling and re-registering Cortana for only your account (current user) in Windows 10.

Reinstall and Re-register Cortana using the following procedure:

1. If the Cortana search not working open the Windows PowerShell by pressing Ctrl + Shift + Esc keys, this will open a Task Manager.

2. From Task Manager click on File from menu bar, and click on Run new task.

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3. Type powershell into "Create new task" input box.

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4. Make sure to have a check mark for "Create this task with Administrative privileges" check box and click on OK button.

5. Execute following powershell commands one at time.

Code:

Get-Process  SearchUI | Stop-Process  –Force

Get-AppXPackage -Name Microsoft.Windows.Cortana | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}


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6. Restart your computer.