DLL

avutil-lav-55.dll

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

(20 Files Available)
Last Updated

Repository Analysis

Company
FFmpeg Project
Product
FFmpeg
Description
FFmpeg utility library
Architecture
x86 (32 bit) x86-64 (64 bit)
Metadata Consensus
16/20 Files 80%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare differences between variants.

Frequently Asked Questions

What is avutil-lav-55.dll?

Metadata analysis shows avutil-lav-55.dll is a Dynamic Link Library (DLL) and is described as FFmpeg utility library .

DLL files (Dynamic Link Library) are used by Windows programs to share code and resources. It allows multiple applications to use the same functions, improving performance and reducing redundancy. Most errors occur because the DLL is missing, corrupted, or outdated.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 avutil-lav-55.dll errors?

Most errors involving avutil-lav-55.dll occur because the DLL is missing, corrupted, or outdated. In many cases, reinstalling the related application or replacing the DLL resolves the issue. The steps below cover the most common ways to fix DLL errors.

  • Software DLLs: Fully un-install the application and then re-install the latest version. If you are not sure what software is causing problems, check available metadata for clues. If this does not solve your issue, you can try downloading and installing the DLL manually.
  • Windows DLLs: Make sure Windows is fully updated, then open Windows Terminal or PowerShell as an administrator. Repair the Windows component store so SFC can pull clean files DISM /Online /Cleanup-Image /RestoreHealth and then scan all system files sfc /scannow to automatically repair problems.
How do I install avutil-lav-55.dll?

To install avutil-lav-55.dll, place the DLL file in the same folder as the application’s .exe file. If you are not sure which version (32-bit or 64-bit) to use, you can safely install both. If you dont know the application or this does not work, install the DLL to the appropriate Windows system folder.

  • Software Install (Recommended): If known, place the DLL file next to the application’s .exe C:\path\to\exe\avutil-lav-55.dll.
  • 64-bit Install: Place 64-bit DLL files in the System32 folder, C:\Windows\System32\avutil-lav-55.dll
  • 32-bit Install: Place 32-bit DLL files in the SysWOW64 folder, C:\Windows\SysWOW64\avutil-lav-55.dll
How do I register avutil-lav-55.dll?

Most DLL files do not need registration, but some DLLs are COM components and must be registered to work correctly. If registration is required, open Windows Terminal or PowerShell as an administrator.

  • 64-Bit DLL: Register the DLL file regsvr32 "C:\path\to\avutil-lav-55.dll". (Drag a DLL to automatically fill the full path).
  • 32 Bit DLL: If you are registering a 32-bit DLL on 64-bit Windows, C:\Windows\SysWOW64\regsvr32 "C:\path\to\avutil-lav-55.dll".

Latest Releases

avutil-lav-55.dll
by FFmpeg Project
for FFmpeg
FFmpeg utility library
Version: 55.69.101 Verified
Product Version: git-2020-01-13-62fdf4b
Language: U.S. English (1033)
Uploaded: Oct 29, 2025   Size: 587.7KB
SHA256: 90b18b39cef3b2201c5342d2c3dbdc344cf69c3330e1088522b685e505c851a6
SHA1: 66965b62a93610ee9a3bab0f652726f06a438ae3
MD5: bba0acab7852d04d954857eb953de2ba
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
avutil-lav-55.dll
by FFmpeg Project
for FFmpeg
FFmpeg utility library
Version: 55.69.101 Verified
Product Version: 3.3.git
Language: U.S. English (1033)
Uploaded: Sep 19, 2025   Size: 520.5KB
SHA256: b336a63c89bcf009084cf2f409af7ce134a374e658548b166be75466d34cd4d9
SHA1: 399da73502f553cd6537682f5b5967f31af24491
MD5: f26948bf21c8d7651a41366ec5d0f013
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
avutil-lav-55.dll
Incomplete Metadata
Language: U.S. English (1033)
Uploaded: Jul 15, 2024   Size: 559KB
SHA256: 8e58538fe08888f937f44f0c01577a3c46ae6b0c652b23750ae7e67cc1c3f533
SHA1: dc4488c16ffc3159052cbbe84415bd1bf6a6d307
MD5: 70496aa3fb6d1ed958092c99edaaaaa6
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
avutil-lav-55.dll
by FFmpeg Project
for FFmpeg
FFmpeg utility library
Version: 55.63.100 Verified
Product Version: git-2017-05-29-b36a7c9d57
Language: U.S. English (1033)
Uploaded: Jul 8, 2024   Size: 555.2KB
SHA256: f94b0eb2e7a57beef2f63e9566e793f2632d8af90a75031cb7d033a8bdb09236
SHA1: fe5d5d1a5fcf65bd482664bb8fbd7b95c54f899a
MD5: 4f26aad0e6f8b646024b4e8b63541bde
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
avutil-lav-55.dll
Incomplete Metadata
Uploaded: Jun 29, 2024   Size: 552.9KB
SHA256: 63c2f8ef22aed23d1c02afa90a9034d8a36bca446121225df74ba1d634c78081
SHA1: 3000651c831c07884615c0fdc0cba18569a2044a
MD5: 3050c347ede17ef2864481f3c331447e
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD