What Is seclogon.dll? Is It A Virus Or Malware? 

 July 19, 2021

What is seclogon.dll?

seclogon.dll is an dll file which belongs to the process Secondary Logon Service DLL which comes with the Software Microsoft Windows Operating System developed by software developer Microsoft

The .dll extension of the seclogon.dll file specifies that it is a Dynamic-link library file.

Malware and viruses are also transmitted through dll files. So we must be sure before opening any unknown dll file on our computers.

We will check if the seclogon.dll file is a virus or malware? Whether it should be deleted to keep your computer safe? Read more below.

Is seclogon.dll safe to run? Is it a virus or malware?

Let’s check the location of this dll file to determine whether this is a legit software or a virus. The location of this file is

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File Location / Danger rating : 1% dangerous

To check whether the dll file is legit you can start the Task Manager. Then click on the columns field and add Verified Signer as one of the columns.

Now look at the Verified Signer value for seclogon.dll process if it says “Unable to verify” then the file may be a virus.

File Nameseclogon.dll
Software DeveloperMicrosoft
File Type
File Location1% dangerous
SoftwareMicrosoft Windows Operating System


seclogon.dll is a Virus or Not : seclogon.dll is not a Virus

If the developer of the software is legitimate then it is not a virus or malware. If the developer is not listed or seems suspicious you can remove it using the uninstall program.

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How to Fix seclogon.dll Errors

To fix missing seclogon.dll file you can perform a system restore to restore all missing dll files on your system.

If the system restore didn’t fix the dll issue then you can run System File Checker to fix corrupt dll files on your Windows system.

How To Remove or Uninstall seclogon.dll

To remove seclogon.dll from your computer do the following steps one by one.

  1. If the dll file is a part of a software program or game then it will also have an uninstall option. Then you can run the uninstaller located at directory like C:>Microsoft>Secondary Logon Service DLL orMicrosoft Windows Operating System >seclogon.dll_uninstall.dll
  2. Or the seclogon.dll was installed using the Windows Installer then to uninstall it Go to System Settings and open Add Or Remove Programs Option.
  3. Then Search for seclogon.dll or the software name Microsoft Windows Operating System in the search bar or try out the developer name Microsoft.
  4. Then click on it and select the Uninstall Program option to remove seclogon.dll file from your computer. Now the software Microsoft Windows Operating System program along with the file seclogon.dll will be removed from your computer.
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I hope you were able to learn more about the seclogon.dll file and how to remove it.

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Let us know in the comments below if you face any other seclogon.dll issues.

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