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Fix sechost.dll Errors

Sometimes Windows system displays error messages regarding corrupted or missing sechost.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 sechost.dll file can therefore effect in failed execution of the started process.

sechost.dll file Host for SCM/SDDL/LSA Lookup APIs. 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 sechost.dll related errors on your device. You can also download sechost.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7 devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7

File info

General information
Filename sechost.dll
File extension DLL
Description Host for SCM/SDDL/LSA Lookup APIs
Software
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
Details
MIME type application/octet-stream
File type Executable application
System Windows NT 32-bit
Copyrights © Microsoft Corporation. All rights reserved.
Character set Unicode
Language cod English (U.S.)
sechost.dll

There are various types of errors related to sechost.dll file. sechost.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 sechost.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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

sechost.dll

Error

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

OK

Problems related to sechost.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 sechost.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.

sechost.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

Virus Scan

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with sechost.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.

Windows Update

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

  1. Go to the Windows "Start" menu
  2. Type "Windows Update" in the search field
  3. Choose the appropriate software program (name may vary depending on your system version)
  4. Check if your system is up to date. If any unapplied updates are listed, install them immediately.
  5. 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 sechost.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

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 sechost.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the sechost.dll file with properly working version. To use the tool:

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

Step 4: Restoring Windows system

Windows Recovery

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

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

If all the above-mentioned methods failed and the sechost.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 sechost.dll file

The last solution is to manually download and replace sechost.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 sechost.dll file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of sechost.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 7: C:\Windows\System32\

If the steps did not solve your sechost.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 sechost.dll
System Windows 10
File size 257792 bytes
Date 2017-03-18
File details
MD5 5d7d214d287aa8b50fdd457767cebf5a
SHA1 7c32dcd76cf61fab31c0b8cba0f662a8e7ecbe77
SHA256 8f6b6569e4f11fb9568212c81dba4261dec26b16ddb1412ebc949dd69ada0e7a
CRC32 6d9fa7e7
Example file location C:\Windows\System32\
Filename sechost.dll
System Windows 8.1
File size 257216 bytes
Date 2014-11-21
File details
MD5 d6a0dc6a3b55bdf02bcfca50ee2a36bd
SHA1 7f5ab86a7dfb511625db6a955d5755ee4f91b248
SHA256 9bec94553a5859d041d932ac2fedec6b4998c2bab085d20e8ea9ea2df6ddf641
CRC32 2cbfcfc6
Example file location C:\Windows\System32\
Filename sechost.dll
System Windows 8
File size 199168 bytes
Date 2012-07-26
File details
MD5 496e036f16467d7b7d12e0794e9fb85d
SHA1 af1c895e4f4c58a54963b85b61023924e4f09b51
SHA256 33a26f4dd38aee725e03b3e88d762d4d6171e52e91ce787930ec47045a1b28dc
CRC32 b43dfae5
Example file location 1: C:\Windows\System32\
Filename sechost.dll
System Windows 7
File size 113664 bytes
Date 2009-07-14
File details
MD5 83404dcbce4925b6a5a77c5170f46d86
SHA1 22bda6b9da4fcf492b4dd16554b0c0e27e1b8667
SHA256 d669614d0b4461db244ad99fbe1ba92ceb9b4ed5ec8e987e23764e77d9ac7074
CRC32 26ee0feb
Example file location C:\Windows\System32\
Filename sechost.dll
System Windows 7
File size 92160 bytes
Date -0001-11-30
File details
MD5 cfc97f07904067a1e5fae195d534da3a
SHA1 2ae4ea1e2f2248a86f0dd25a1cbf828b5496fa79
SHA256 eb4d2d127312eb09e2acca3276779e80f90faf77322684babf72b8ec6e1f906c
CRC32 b2ae3afe
Example file location C:\Windows\System32\