mozavcodec.dll File Information
  • DLL File Name:mozavcodec.dll
  • File Type:Win32/64 DLL
  • Product Name:Firefox
  • Developer:Mozilla Foundation
  • File Version:2 versions available
  • File Size:1.42MB - 1.94MB
  • Language Code:Neutral
  • Character Set:Unicode
  • MD5 Checksum:Multiple Files
  • Copyright:License: MPL 2

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Mozavcodec.dll Errors and Solutions

The file mozavcodec.dll is a 32/64bit Windows DLL module for Firefox or other related programs. The file and the associated Firefox software was developed by Mozilla Foundation. The file was licensed as License: MPL 2.

mozavcodec.dll file is a critical component for the software to work properly without any problems. You may receive an error message like the ones below that indicates the file is not found or damaged.

  • This application failed to start because mozavcodec.dll was not found.
  • The file mozavcodec.dll is missing or corrupted.
  • A required component is missing: mozavcodec.dll. Please install the application again.
  • Error loading mozavcodec.dll. The specified module could not be found.
  • The program can't start because mozavcodec.dll is missing from your computer.

To fix the error, you need to copy the missing mozavcodec.dll file to your system or replace the corrupted dll file with a working one by following the instructions below. There are 2 different versions of the dll file available for download with sizes between 1.42MB - 1.94MB.

How to Install mozavcodec.dll

You can download mozavcodec.dll for free from the download section on this page. After downloading the zip 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/game, or install .dll file directly to Windows (Windows XP, Vista, Windows 7, Windows 10).

Install DLL File to Program Folder

Copy the extracted mozavcodec.dll file to the installation directory 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 system folder.

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 mozavcodec.dll

Download mozavcodec.dll
Version OS Size Language Download
66.0.5.7066 64bit 1.9MB Neutral Download
66.0.5.7066 32bit 1.9MB Neutral Download
52.9.1.6768 32bit 1.4MB Neutral 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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