sepduhandler.dll File Information
  • DLL File Name:sepduhandler.dll
  • File Type:Win32 DLL
  • Product Name:Symantec Endpoint Protection
  • Developer:Symantec Corporation
  • File Version:12.1.1000.157
  • File Size:90.42KB (92592 bytes)
  • Language Code:English (U.S.)
  • Character Set:Windows, Latin1
  • MD5 Checksum:13137ec500981d7dbd6d0c227ad98340
  • Copyright:Copyright 2009 - 2011 Symantec Corporation. All rights reserved.

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fix sepduhandler.dll error

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Sepduhandler.dll Errors and Solutions

SEP DU Handler

The file sepduhandler.dll is a 32bit Windows DLL module for Symantec Endpoint Protection software or other related programs. The file and the associated Symantec Endpoint Protection software was developed by Symantec Corporation. The file was licensed as Copyright 2009 - 2011 Symantec Corporation. All rights reserved..

sepduhandler.dll file is a critical component for the software to work properly and without any dll error messages. You may receive an error message like the ones below that indicates the file is not found, damaged, or the wrong version.

  • This application failed to start because sepduhandler.dll was not found.
  • The file sepduhandler.dll is missing or corrupted.
  • A required component is missing: sepduhandler.dll. Please install the application again.
  • Error loading sepduhandler.dll. The specified module could not be found.
  • The program can't start because sepduhandler.dll is missing from your computer. Try reinstalling the program to fix this problem.
  • Sepduhandler.dll is either not designed to run on Windows or it contains an error.

To fix the error, you need to copy the missing sepduhandler.dll file to your system or replace the corrupted dll file with a working one by following the instructions below. The current version of dll file available on our site is 12.1.1000.157 with a size of 90.42KB.

How to Install sepduhandler.dll

You can download sepduhandler.dll for free from the download section on this page. After you download the compressed file, unzip it to a convenient location on your computer. In order to fix dll related errors, you need to copy the .dll file to the installation folder of the application or game, or install .dll file directly to Windows (Windows XP, Vista, Windows 7, Windows 10).

Install DLL File to Program Folder

Copy the extracted sepduhandler.dll file to the installation folder of the application or game.

Check if the problem is solved. If the problem persists or you are not sure which software is having problems, install the .DLL file directly to Windows.

Register DLL File Using Microsoft Regsvr

Copy the file to "C:\Windows\SysWOW64\" (32bit)

Copy the file to "C:\Windows\System32\" (64bit)

You can install the .dll file in both system folders without any problems. In order to complete this step, you must run the Command Prompt as administrator.

Open the Start Menu and before clicking anywhere, type "cmd" on your keyboard.

Right-click the "Command Prompt" search result and click the "Run as administrator" option.

Paste the following command into the Command Line window that opens up and press Enter key.

%windir%\System32\regsvr32.exe sepduhandler.dll & %windir%\SysWoW64\regsvr32.exe sepduhandler.dll

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Download sepduhandler.dll
Version OS Size Language Download
12.1.1000.157 32bit 90.4KB English Download

Please note : This is a free download. No guarantees or warranties are given or implied. Please download and install the file at your own risk...

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