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DLL

avcodec-55.dll

Download and install avcodec-55.dll to fix missing or corrupted DLL errors.

(56 Files Available)
Last Updated
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Repository Analysis

Company
FFmpeg Project
Product
FFmpeg
Description
FFmpeg codec library
Architecture
x86 (32 bit) x86-64 (64 bit)
Metadata Consensus
28/56 Files 50%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare variant differences.

Companies

  • FFmpeg Project 28
  • Unknown 28

Products

  • FFmpeg 28
  • Unknown 28

Descriptions

  • FFmpeg codec library 28
  • Unknown 28

Frequently Asked Questions

What is avcodec-55.dll?

Metadata analysis shows avcodec-55.dll is a Dynamic Link Library (DLL) developed by FFmpeg Project for FFmpeg and is described as “FFmpeg codec library” .

DLL files (Dynamic Link Libraries) are shared core modules used by Windows programs to run efficiently without duplicating code. Most errors occur because the DLL is missing, corrupted, or outdated. In many cases, reinstalling the related application, repairing Windows, or replacing the DLL resolves the issue.

How do I fix missing DLL errors?
1

Software Fix

Fully uninstall and reinstall the program causing the error. If you are not sure what program is broken, look at the available file metadata above for hints. If a clean reinstall fails, download and install the DLL file manually.

2

Windows System Fix

Make sure Windows is fully updated. To repair system files automatically, right-click the Start menu, open PowerShell (Admin), and run these two commands in order:

Step A DISM /Online /Cleanup-Image /RestoreHealth
Step B sfc /scannow
How do I install DLL files?
1

Download & Extract

Download the file, right-click the folder, and extract all files to your computer.

2

Install the .DLL

Move the extracted DLL file into the root folder of the software that is giving you the error (where its .exe file is located), or place it in the system directory below:

32-bit → C:\Windows\SysWOW64
64-bit → C:\Windows\System32
3

Restart the Program

Close and reopen the program or game so Windows can look for and load the new DLL file.

How do I register DLL files?

Most DLL files do not need registration. However, if your file is a COM component and requires explicit system registration, follow these steps:

1

Open Terminal

Right-click the Start menu and open PowerShell (Admin) or Command Prompt (Admin).

2

Run Command

Type the command below for your file type and press Enter. You can drag and drop the DLL file directly into the terminal window to fill its path automatically.

64-bit regsvr32 "C:\path\to\filename.dll"
32-bit C:\Windows\SysWOW64\regsvr32 "C:\path\to\filename.dll"

Latest Uploads

Browse all files to filter by metadata and to view the latest version available.

Verified
avcodec-55.dll
Incomplete Metadata
Uploaded: Dec 20, 2025   Size: 9.4MB
SHA256: 19862d2f3518cef1f0ca96a7aa42cccd1afadb3f3c48eb4a388ea43fe358e470
SHA1: cd1c9ba05e5312e5b72f10d2e0c7556b414814fc
MD5: 766666d67c1fb430143330f48cb39d91
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
Verified
avcodec-55.dll
by FFmpeg Project
for FFmpeg
FFmpeg codec library
Version: 55.60.103
Product Version: 2.2.git
Language: U.S. English (1033)
Uploaded: Nov 1, 2025   Size: 2MB
SHA256: ac89180d6e9372f365c0fbb88b7026cd9493c6343eb08b5db852e5a30351c814
SHA1: 5f240867969b0d88211a503fb2ed0a5293f9d3e2
MD5: 95173313c668a2040c94f2a75b23df98
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
Verified
avcodec-55.dll
by FFmpeg Project
for FFmpeg
FFmpeg codec library
Version: 55.60.103
Product Version: 2.2.git
Language: U.S. English (1033)
Uploaded: Oct 13, 2025   Size: 2MB
SHA256: f1c41a4825d238c785c418ec9a05c1d9e6f651b0687263e8ef7e382a85717a2d
SHA1: 5dc5749f51ee1e063b15c6160fa30ce096b8af19
MD5: 1aa27c3f542ff8ce6bd901229a1b32df
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
Verified
avcodec-55.dll
by FFmpeg Project
for FFmpeg
FFmpeg codec library
Version: 55.60.103
Product Version: 2.2.git
Language: U.S. English (1033)
Uploaded: Oct 13, 2025   Size: 2.1MB
SHA256: 1344c36ae7d54576da5744f2b27c3c3a9f0ebd451b6a0473bc999febe6d55970
SHA1: 2c8e12aabd2ffa50c52023e56816c7b8d1de2370
MD5: 0a8223d69c0becbe68f95bbe6e30a5b6
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
Verified
avcodec-55.dll
Incomplete Metadata
Uploaded: Sep 24, 2025   Size: 2.8MB
SHA256: 4608ea91a660e48152131299ac0f25fa67923443419549a14156e1494cdfe870
SHA1: 841077df3f80e7b07f1c122e1ada6313506033e5
MD5: ab4bb1c0dbd51ae9c1d396b4de9dbef7
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD