How to Fix Local Security Authority Missing on Windows 10/11? - MiniTool

What is Local Security Authority? Some of you might be bothered by Local Security Authority missing. Don’t worry! Follow the guidelines on MiniTool Website, everything will be easy. Scroll down to get more details now!

Local Security Authority Missing

Local Security Authority Protection refers to the process that Windows verifies your identity. It is advisable to keep this feature enabled because it is designed to protect your login credentials and handle authorization. However, like other features on Windows, there might be some errors or glitches in Local Security Authority.

If you find your Local Security Authority not available at the moment, then this guide is for you! Without further ado, let’s jump into it right now!

How to Fix Local Security Authority Missing on Windows 10/11?

Fix 1: Modify the Registry

To fix Local Security Authority missing, you can tweak the corresponding registry in Registry Editor. Follow these steps:

Step 1. Type run in the search bar and hit Enter to open the Run box.

Step 2. In the Run dialog, type regedit.exe and hit Enter.

Step 3. Navigate to the location below:

Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender

Step 4. In the right-side pane, find the value named RunAsPPL and double-click on it to set its value data to 1.

Step 5. Save the changes and restart your system.

Fix 2: Enable LSA via Local Group Policy

Another way to address Local Security Authority option missing is to enable LSA via Local Group Policy Editor. Follow these instructions:

Step 1. Press Win R to evoke the Run dialog.

Step 2. Type gpedit.msc and hit Enter.

Step 3. Navigate to the following path:

Computer Configuration > Administrative Templates > System > Local Security Authority

Step 4. In the right-side pane, right-click on the policy named Configure LSASS to run as a protected process and hit Edit.

Step 5. Under Configures LSA to run as a protected process, tick Enabled. Click on the drop-down icon under Configure LSA to run as a protected process and select Enable with UEFI Lock.

Step 6. Quit Local Group Policy Editor and implement the changes.

Fix 3: Update Windows Security Manually

There might be a security bug in the older versions of Windows Security and this bug might lead to Local Security Authority missing. Luckily, Microsoft releases an update that contains corresponding bugs. Here’s how to download and install the update:

Step 1. Right-click on Start icon and select Windows PowerShell (Admin) from the quick menu.

Step 2. Type the following command and hit Enter.

Get-AppPackage Microsoft.SecHealthUI

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