WCFirefoxExtn.dll File Information
  • DLL File Name:WCFirefoxExtn.dll
  • File Type:Win32 DLL
  • Product Name:unknown
  • Developer:Adobe Systems Incorporated
  • File Version:
  • File Size:59.18KB (60600 bytes)
  • Language Code:English (U.S.)
  • Character Set:Unicode
  • MD5 Checksum:27e744d96e61d68136564854fb6220ce
  • Copyright:Copyright 1984-2016 Adobe Systems Incorporated

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WCFirefoxExtn.dll Errors and Solutions


The file WCFirefoxExtn.dll is a 32bit Windows DLL moduleThe file and the associated software was developed by Adobe Systems Incorporated. The file was licensed as Copyright 1984-2016 Adobe Systems Incorporated.

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

To fix the error, you need to copy the missing WCFirefoxExtn.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 with a size of 59.18KB.

How to Install WCFirefoxExtn.dll

You can download WCFirefoxExtn.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 WCFirefoxExtn.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\System32\"

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 WCFirefoxExtn.dll

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Download WCFirefoxExtn.dll
Version OS Size Language Download 32bit 59.2KB 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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