What is lsass.exe?

lsass.exe is part of Microsoft® Windows® Operating System and developed by Microsoft Corporation according to the lsass.exe version information.

lsass.exe's description is "Local Security Authority Process"

lsass.exe is digitally signed by Microsoft Windows Publisher.

lsass.exe is usually located in the 'C:\Windows\System32\' folder.

If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.

Vendor and version information [?]

The following is the available information on lsass.exe:

PropertyValue
Product nameMicrosoft® Windows® Operating System
Company nameMicrosoft Corporation
File descriptionLocal Security Authority Process
Internal namelsass.exe
Original filenamelsass.exe
Legal copyright© Microsoft Corporation. All rights reserved.
Product version10.0.18362.1
File version10.0.18362.1 (WinBuild.160101.0800)

Here's a screenshot of the file properties when displayed by Windows Explorer:

Product nameMicrosoft® Windows® Operating System
Company nameMicrosoft Corporation
File descriptionLocal Security Authority Process
Internal namelsass.exe
Original filenamelsass.exe
Legal copyright© Microsoft Corporation. All rights..
Product version10.0.18362.1
File version10.0.18362.1 (WinBuild.160101.0800)

Digital signatures [?]

lsass.exe has a valid digital signature.

PropertyValue
Signer nameMicrosoft Windows Publisher
Certificate issuer nameMicrosoft Windows Production PCA 2011
Certificate serial number33000001a90f2d80c9a929387c0000000001a9

Other files also named lsass.exe

lsass.exe (174 votes)

TCP/UDP Listening Ports [?]

lsass.exe has been reported to listen on the following TCP/UDP ports.

PortProtocol# Occurrences
55562UDP v41

Hashes [?]

PropertyValue
MD503c70933698c6e3e466076dd9c3faa18
SHA256aa52b2d3dd4b9b47ff4496c0460bdedda791354018cf0782b899ef28acee8d21

Error Messages

These are some of the error messages that can appear related to lsass.exe:

lsass.exe has encountered a problem and needs to close. We are sorry for the inconvenience.

lsass.exe - Application Error. The instruction at "0xXXXXXXXX" referenced memory at "0xXXXXXXXX". The memory could not be "read/written". Click on OK to terminate the program.

Local Security Authority Process has stopped working.

End Program - lsass.exe. This program is not responding.

lsass.exe is not a valid Win32 application.

lsass.exe - Application Error. The application failed to initialize properly (0xXXXXXXXX). Click OK to terminate the application.

What will you do with lsass.exe?

To help other users, please let us know what you will do with lsass.exe:



Malware or legitimate?

If you feel that you need more information to determine if your should keep this file or remove it, please read this guide.

Please select the option that best describe your thoughts on the information provided on this web page


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Comments

Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.

I'm reading all new comments so don't hesitate to post a question about the file. If I don't have the answer perhaps another user can help you.

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