What Is Lsass.exe? Is It Safe? How To Remove Lsass.exe Error?

What is lsass.exe? Is it a virus? If you get the lsass.exe error, how can you fix it? If you are looking for the answers to these questions, you come to the right place. In this post, MiniTool Solution will show you a lot of information about lsass.exe.

Quick Navigation :

• What Is Lsass.exe?
• Is Lsass.exe Virus?
• How to Fix Lsass.exe Error
• Bottom Line

What Is Lsass.exe?

Lsass.exe, short for Local Security Authority Process, is a file from Microsoft in the Windows operating system. It is a vital part of Windows security policies, authority domain authentication, and Active Directory management.

That is, it is very important for the normal operations of a computer and shouldn’t be moved, edited, or deleted in any way.

The lsass.exe file is located in the c:\Windows\System32. It is responsible for enforcing security policies in the Windows operating system. To be specific, it does many things like password change and login verifications.

Is Lsass.exe Virus?

Lsass.exe is not a virus, a Trojan, or spyware. It is a safe file in Windows operating system and we have mentioned it above. However, like any file on your computer, it may be infected by a virus or Trojan.

It is not difficult to find a fake lsass.exe file. But you should be careful to make sure you are dealing with a fake process rather than the real process in Windows.

Usually, malware tricks you into thinking lsass.exe by renaming the file to one that is very similar. For example, the malicious file uses an uppercase i (I) – Isass.exe. The real file uses a lowercase L (l) – lsass.exe. On your computer, they look identical.

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Sometimes, the malware uses other purposeful misspellings like lsassa.exe, lsasss.exe, etc. to trick you into allowing the file to run or letting it stay on your computer. Actually, the real lsass.exe file shouldn’t be found in other locations and it is only in c:\Windows\System32.

If you find the lsass.exe is infected, you can use an antivirus program to detect and clean the file. You should never delete or remove the file since it is a crucial component of the Windows operating system. Just let the antivirus program handle it.

How to Fix Lsass.exe Error

In Windows, you may receive the lsass.exe system error or lsass.exe application error. What should you do? Follow the methods below.

Scan PC for Malware

Download and install antimalware on your computer to perform the entire system scan. Usually, you can use Malwarebytes, Avast, etc. Once the program finds some malicious programs, remove them, and restart your computer.

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Update Windows

Microsoft always releases some security and patch updates to improve the user experience and keep the PC safe. You can try to perform a Windows update to fix the lsass.exe error.

Just go to Settings > Update & Security > Check for updates and then install the updates by flowing the prompts.

Run Startup Repair

To fix the lsass.exe error in Windows 10, you can run Startup Repair. Just boot your system to WinRE (Windows Recovery Environment) and go to Advanced options > Startup Repair.

Bottom Line

What is lsass.exe? Is lsass.exe virus? How to remove the lsass.exe error? After reading this post, you know the answers. If you have any other suggestions, you can tell us by leaving a comment below. Thanks in advance.

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