Fix LSA package is not signed as expected Credential Guard error
Here's how to Fix LSA package is not signed as expected Credential Guard error.
The LSA package is not signed as expected Credential Guard error occurs when there is a problem with the Local Security Authority (LSA) package that is used to protect your credentials and identity information on your Windows PC. The error can cause unexpected behavior with Credential Guard, a feature that uses virtualization-based security to isolate and protect your credentials from malware and other threats.
There are different ways to fix this error and restore the normal functionality of Credential Guard. Here are some of them:
- Check the RunAsPPL registry key. This key controls whether the LSA process runs as a protected process light (PPL), which enhances its security and integrity. To check this key, follow these steps¹:
- Press Windows key + R to open the Run dialog box.
- Type regedit and press Enter to open the Registry Editor.
- Navigate to the following location: HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Lsa
- Look for a DWORD value named RunAsPPL on the right pane. If it does not exist, create it by right-clicking on an empty space and selecting New - DWORD (32-bit) Value.
- Double-click on RunAsPPL and set its value data to 1 or 2 depending on your Windows version. For Windows 11 22H2, you can use either value. For earlier versions of Windows, you need to use 1 if your device supports UEFI Secure Boot, or 2 if it does not.
- Restart your PC and check if the error is resolved.
- Turn off Credential Guard. If you don't need Credential Guard or if it is causing problems on your PC, you can try to turn it off and see if that fixes the error. To turn off Credential Guard, follow these steps²:
- Open the Group Policy Editor by typing gpedit.msc in the Run dialog box and pressing Enter.
- Navigate to the following location: Computer Configuration - Administrative Templates - System - Device Guard
- Double-click on Turn on Virtualization Based Security and set it to Disabled or Not Configured.
- Click OK to save the changes and close the Group Policy Editor.
- Restart your PC and check if the error is resolved.
- Update your device drivers. A missing or outdated device driver can cause the LSA package is not signed as expected Credential Guard error. To update your drivers, you can use one of these methods:
- Manually update your drivers. You can go to the manufacturer's website of your device and download and install the latest drivers for your device. Make sure to choose the drivers that are compatible with your Windows version.
- Automatically update your drivers. If you don't have the time or patience to update your drivers manually, you can use a tool like Driver Easy to do it automatically. Driver Easy will scan your system and find the correct drivers for your device. You can download and install them with just a few clicks.
- Run an SFC and DISM scan. Sometimes, the LSA package is not signed as expected Credential Guard error can be caused by corrupted or missing system files that affect your device security or performance. To fix this, you can run an SFC (System File Checker) and DISM (Deployment Image Servicing and Management) scan to repair and restore any damaged system files. To do this, follow these steps³:
- Open Command Prompt as administrator by typing cmd in the Start menu, right-clicking on Command Prompt, and selecting Run as administrator.
- Type sfc /scannow and press Enter to run an SFC scan. Wait for the scan to complete and fix any issues found.
- Type DISM /Online /Cleanup-Image /RestoreHealth and press Enter to run a DISM scan. Wait for the scan to complete and fix any issues found.
- Restart your PC and check if the error is resolved.
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