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Home » Local Security Authority Protection is off but its on [Fixed]

Local Security Authority Protection is off but its on [Fixed]

Local Security Authority Protection is off

If the Local Security Authority protection is off, but it’s on, then this post may help you. The Local Security Authority (LSA) in Windows enforces security policies and controls resource access. Receiving an error message “Local Security Authority Protection is Off” despite its enabled can be concerning. Keep reading this post to learn how you can fix it.

How to Fix the Local Security Authority Protection is off, but it’s on?

Follow these suggestions to fix and restore the intended security level and protect your system effectively:

1. Restart your device

Start by restarting your device to fix the Local Security Authority protection is off error. It’s because temporary bugs and errors can be why the error occurs. Restarting the device can fix the error.

2. Make Modifications in the Registry Editor

Local Security Authority Protection is off

 

To fix the Local Security Authority protection is off error, create two new entries on the Lsa key. Here’s how:

  1. Press Windows + R to open Run.
  2. Type regedit and hit Enter.
  3. Once the Registry Editor opens, navigate to the following path:
    Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa
  4. Right-click on the Lsa folder and create two new DWORD (32-bit) Value named RunAsPPL and RunAsPPLBoot.
  5. Double-click on both these entries and set the value data as 2.
  6. Click on Ok to save the changes.
  7. Restart your PC once done and see if the error gets fixed.

3. Disable Kernel-mode Hardware-enforced Stack Protection

If encountering the error with a blue screen or your device is restarting while opening games or apps, disable Kernel-mode Hardware-enforced Stack Protection. Here’s how:

  1. Click on Start, search Windows Security and hit Enter.
  2. Navigate to Device Security and click on Core isolation details under Core isolation.
  3. Disable the toggle beside Kernel-mode Hardware-enforced Stack Protection.
  4. Restart your device once done and see if the error’s fixed.

4. Update Windows OS

Local Security Authority Protection is off

If modifying the Registry Editor didn’t work, check if your device’s Windows OS is updated to its latest version. If it isn’t, update it. Here’s how:

  1. Press Windows + I to open Settings.
  2. Navigate to Windows Update and click on Check for updates.
  3. If any updates are found, click on Download & install.

Read: Fix Windows Cannot Find Gpedit.msc Error on Windows 11/10

How do you turn on Local Security Authority protection?

To do so, Open Windows Settings. Here, navigate to Privacy & security > Windows Security > Device security > Core isolation details and enable the toggle under the Local Security Authority protection section.

What happens if Local Security Authority protection is off?

Local Security Authority Protection helps protect the system from attacks and unauthorized access attempts. If it’s switched off, your device may be vulnerable.

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