Download and Fix seclogon.dll

Sometimes Windows system displays error messages regarding corrupted or missing seclogon.dll files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent seclogon.dll file can therefore effect in failed execution of the started process.

seclogon.dll file Secondary Logon Service DLL. The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of seclogon.dll related errors on your device. You can also download seclogon.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista, Windows XP devices which will (most probably) allow you to solve the problem.

Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista, Windows XP

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Fix seclogon.dll errors

1 Information about seclogon.dll file
2 Errors related to seclogon.dll file
3 How to fix seclogon.dll related errors?

3.1 Scanning for malicious software
3.2 System and driver update
3.3 System File Checker tool
3.4 System recovery

4 Download seclogon.dll

4.1 List of seclogon.dll file versions

File info

General information
Filename	seclogon.dll
File extension	DLL
Description	Secondary Logon Service DLL

Software
Program	Microsoft® Windows® Operating System
Author	Microsoft Corporation

Details
MIME type	application/octet-stream
File type	Dynamic link library
System	Windows NT 32-bit
Copyrights	© Microsoft Corporation. All rights reserved.
Character set	Unicode
Language cod	English (U.S.)

Most common seclogon.dll file related problems

There are various types of errors related to seclogon.dll file. seclogon.dll file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to seclogon.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

seclogon.dll is corrupted
seclogon.dll cannot be located
Runtime Error - seclogon.dll
seclogon.dll file error
seclogon.dll file cannot be loaded. Module was not found
cannot register seclogon.dll file:
seclogon.dll file could not be loaded
seclogon.dll file doesn't exist

seclogon.dll

Application could not be started because seclogon.dll file is missing. Reinstall the application to solve the problem.

Problems related to seclogon.dll can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing seclogon.dll file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

How to fix seclogon.dll errors in just few steps?

Remember, before taking any action related to system files perform a backup copy of your data!

seclogon.dll file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with seclogon.dll file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Installing relevant Microsoft Windows patches and updates may solve your problems related to seclogon.dll file. Use dedicated Windows tool to perform the update.

Go to the Windows "Start" menu
Type "Windows Update" in the search field
Choose the appropriate software program (name may vary depending on your system version)
Check if your system is up to date. If any unapplied updates are listed, install them immediately.
After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of seclogon.dll or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to seclogon.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the seclogon.dll file with properly working version. To use the tool:

Go to the Windows "Start" menu
Type "cmd" in the search field
Locate "Command Prompt" result – don't run it yet:
Click the right mouse button and select "Run as Administrator" option
Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Another approach is to restore system to previous state, before the seclogon.dll file error occured. In order to restore your system, follow the instructions below

Go to the Windows "Start" menu
Type "System Restore" in the search field
Start the system restore tool – it's name may differ depending on version of the system
The application will guide you through the process – read the messages carefully
After the process has finished, restart your computer.

If all the above-mentioned methods failed and the seclogon.dll file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace seclogon.dll file

The last solution is to manually download and replace seclogon.dll file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded seclogon.dll file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of seclogon.dll file example directory paths.

Windows 10: C:\Windows\System32\
Windows 8.1: C:\Windows\System32\
Windows 8: 1: C:\Windows\System32\
Windows 7: C:\Windows\System32\
Windows Vista: C:\Windows\System32\
Windows XP: ---

If the steps did not solve your seclogon.dll file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename seclogon.dll

System Windows 10

File size 24064 bytes

Date 2017-03-18

Download

File details
	MD5	fb086f144fbb0c80670010562dc43814
	SHA1	6de9b1cfa6d7c980a2ec35503a59faffeb48a1cc
	SHA256	fec1a72ee441d2782da475514f9ae5a31816dd6be73aa602d5c35be365645d5d
	CRC32	480a9fb0
	Example file location	C:\Windows\System32\

Filename seclogon.dll

System Windows 8.1

File size 24064 bytes

Date 2014-11-21

Download

File details
	MD5	b4ef8ee7d81b136cb53ab52210ec5444
	SHA1	f594a6c95928b4c1c35316448cf7a88d500bf027
	SHA256	7072e80e3e0a18fd6695be40cbe7c0af1f054152187eed6f7a860fc5c001f0e8
	CRC32	647b4400
	Example file location	C:\Windows\System32\

Filename seclogon.dll

System Windows 8

File size 20992 bytes

Date 2012-07-26

Download

File details
	MD5	b83564d1603b821ccd82cc335c87ad97
	SHA1	6384046a4d8395bbff27a5d55abe1965803c0e15
	SHA256	05e75c0e0f69637462fe6f844fbf6835558e5fd0660a8c0cba621dc3e2f39c9b
	CRC32	33663892
	Example file location	1: C:\Windows\System32\

Filename seclogon.dll

System Windows 7

File size 30720 bytes

Date 2010-11-21

Download

File details
	MD5	bc617a4e1b4fa8df523a061739a0bd87
	SHA1	0169be2f47979f90b31200545c68fd9850162394
	SHA256	10c4057f6b321eb5237ff619747b74f5401bc17d15a8c7060829e8204a2297f9
	CRC32	f9a367ea
	Example file location	C:\Windows\System32\

Filename seclogon.dll

System Windows Vista

File size 28672 bytes

Date 2008-01-21

Download

File details
	MD5	5acdcbc67fcf894a1815b9f96d704490
	SHA1	dff95dcabc3d74a3d9233195d1cca3c0f3d97d36
	SHA256	fe0247a8bedb860ebd46a9d49c641d0b9aa24ee34132cddadc9f5a605238fda7
	CRC32	41919021
	Example file location	C:\Windows\System32\

Filename seclogon.dll

System Windows XP

File size 18944 bytes

Date 2008-04-14

Download

File details
	MD5	cbe612e2bb6a10e3563336191eda1250
	SHA1	5c4ab46327948b6b877eb0076461f9ad91b0717c
	SHA256	c331797dc3569f0e715766561de2562f60b924378842246c35d2b1cf867e9d96
	CRC32	6f2bcd61
	Example file location	---