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Troubleshoot L2SecHC.dll Errors and Download File

Sometimes Windows system displays error messages regarding corrupted or missing L2SecHC.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 L2SecHC.dll file can therefore effect in failed execution of the started process.

L2SecHC.dll file Layer 2 Security Diagnostics Helper Classes. 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 L2SecHC.dll related errors on your device. You can also download L2SecHC.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista 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, Windows Vista, Windows Vista

File info

General information
Filename L2SecHC.dll
File extension DLL
Description Layer 2 Security Diagnostics Helper Classes
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.)
L2SecHC.dll

There are various types of errors related to L2SecHC.dll file. L2SecHC.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 L2SecHC.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

  • L2SecHC.dll is corrupted
  • L2SecHC.dll cannot be located
  • Runtime Error - L2SecHC.dll
  • L2SecHC.dll file error
  • L2SecHC.dll file cannot be loaded. Module was not found
  • cannot register L2SecHC.dll file:
  • L2SecHC.dll file could not be loaded
  • L2SecHC.dll file doesn't exist

L2SecHC.dll

Error

Application could not be started because L2SecHC.dll file is missing. Reinstall the application to solve the problem.

OK

Problems related to L2SecHC.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 L2SecHC.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.

L2SecHC.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 L2SecHC.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 L2SecHC.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 L2SecHC.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 L2SecHC.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the L2SecHC.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 L2SecHC.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 L2SecHC.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 L2SecHC.dll file

The last solution is to manually download and replace L2SecHC.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 L2SecHC.dll file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of L2SecHC.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\
  • Windows Vista: ---
  • Windows Vista: ---

If the steps did not solve your L2SecHC.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 L2SecHC.dll
System Windows 10
File size 152576 bytes
Date 2017-03-18
File details
MD5 c0243fa642c9f75a438a77a3c0ca8139
SHA1 b743698b93377b09283210e2f64ecba58f0550c4
SHA256 690b767186a1239175b689eb936b575354595484bb510ab8849df9cfa86faaf8
CRC32 c2d2ea1d
Example file location C:\Windows\System32\
Filename L2SecHC.dll
System Windows 8.1
File size 151040 bytes
Date 2014-11-21
File details
MD5 558021ca069290c4aad55055771a0a97
SHA1 36fc569c77d9d2df757066c32021ac2f7bfd0634
SHA256 2a84cdd8df64c96eb1ef6ce198ea3def719cf70334e3de70b6d4fe3a903b4d2a
CRC32 19d4a9e5
Example file location C:\Windows\System32\
Filename L2SecHC.dll
System Windows 8
File size 148480 bytes
Date 2012-07-26
File details
MD5 7032fd801158c486637d447dea3c6741
SHA1 2dcc38a61f9ca8f21debf9b1727c432c4eb33b56
SHA256 6950d089cf488b5c8839481f11f511808a9c8c2c0bf944032c7d5e6be70f76da
CRC32 5d050ec1
Example file location 1: C:\Windows\System32\
Filename L2SecHC.dll
System Windows 7
File size 190976 bytes
Date 2009-07-14
File details
MD5 18a842be4b8a5a8a72213cb6229fcaa7
SHA1 84257bbcb064e1c7502036f6cc059fed253490c8
SHA256 50917a72a0c020cebec7bf202487986d3a8e626f735727544ecd293e25037058
CRC32 97776dbb
Example file location C:\Windows\System32\
Filename L2SecHC.dll
System Windows 7
File size 180224 bytes
Date -0001-11-30
File details
MD5 f4e13e8fc9d1ce7623ddd120f9eb8ad1
SHA1 7808c7f02275773c9c0667adedaeb3b8a7bca48f
SHA256 68f3f085d6e42ae2c8e7db3f9821128a44f77fd81ef19e6cb884d8d8f71cf8ca
CRC32 da42df53
Example file location C:\Windows\System32\
Filename L2SecHC.dll
System Windows Vista
File size 156672 bytes
Date 2008-01-21
File details
MD5 5150261a9d3aef1f74cfa842af3af203
SHA1 e10ce54dc1dcb11afa5c9c82d2428b5a76e50d93
SHA256 cd14a4353af2fc387594d71f9498f42e54975aae6436734c73d4361a032820c3
CRC32 9398708f
Example file location ---
Filename L2SecHC.dll
System Windows Vista
File size 126976 bytes
Date -0001-11-30
File details
MD5 51affe8b2f918b510365613addeeb2d1
SHA1 9af35f7fbdc4b630756f4d214696d075b9eaf85f
SHA256 04ba237edb101fd451b332462373685e972746f4d61d48b1ef54197eddafca4f
CRC32 4deb1da2
Example file location ---