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Windows 11でWindows DefenderのGUIが開かない時の対処法

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Windows 11にアップグレードか新規インストールするとWindows Defenderが開かなくなる時がある。
#対処法
・管理者権限でPowerShellを開く
・以下のコマンドを入力

Get-AppxPackage Microsoft.SecHealthUI -AllUsers | Reset-AppxPackage
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