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DLL

avcodec-lav-63.dll

Download and install avcodec-lav-63.dll to fix missing or corrupted DLL errors.

(6 Files Available)
Last Updated
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Repository Analysis

Company
FFmpeg Project
Product
FFmpeg
Description
FFmpeg codec library
Architecture
x86-64 (64 bit) x86 (32 bit)
Metadata Consensus
6/6 Files 100%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare variant differences.

Companies

  • FFmpeg Project 6

Products

  • FFmpeg 6

Descriptions

  • FFmpeg codec library 6

Frequently Asked Questions

What is avcodec-lav-63.dll?

Metadata analysis shows avcodec-lav-63.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 Most errors occur because the DLL is missing, corrupted, or outdated.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.

NEW Verified
avcodec-lav-63.dll
by FFmpeg Project
for FFmpeg
FFmpeg codec library
Version: 63.8.100
Product Version: 8.0.git
Language: U.S. English (1033)
Uploaded: Aug 31, 2026   Size: 14.8MB
SHA256: ef802e806876290e22825b09f82c17aa30e0e4aea97960e196d207c70cee9648
SHA1: 45c49df8f00bd931e81818c6c1a78aec2ad3267f
MD5: bce80d51c316bb5ffad87445a76cd3ed
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
NEW Verified
avcodec-lav-63.dll
by FFmpeg Project
for FFmpeg
FFmpeg codec library
Version: 63.8.100
Product Version: N-126332-g43410e614d
Language: U.S. English (1033)
Uploaded: Aug 31, 2026   Size: 14.8MB
SHA256: 084400f6f09d12a0b367e86ed1eb1b47562afc9b09e300b810e0df06e8ea4ee6
SHA1: 7a7d44d713f869a9d4efc5830575e0fbe21b4dc4
MD5: e4516b9a44cc85f8a727d855c1a249e4
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
NEW Verified
avcodec-lav-63.dll
by FFmpeg Project
for FFmpeg
FFmpeg codec library
Version: 63.5.100
Product Version: N-125708-g718b30828c
Language: U.S. English (1033)
Uploaded: Aug 31, 2026   Size: 15MB
SHA256: 08431d06d2f4548a31732d930ce3f5c46457001fc6a7d6f9973a65ac09f07e78
SHA1: fab87907daf17acfb5bfdb7220357f19558b1dd5
MD5: eccebda3193bd0049a030fb0f65d99a9
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
NEW Verified
avcodec-lav-63.dll
by FFmpeg Project
for FFmpeg
FFmpeg codec library
Version: 63.5.100
Product Version: N-125709-gd99a801bd5
Language: U.S. English (1033)
Uploaded: Aug 31, 2026   Size: 13.7MB
SHA256: d5c0a4484c99510c050f96020d0bf4ac477e64a7d9a4fec1708f164f192d5e30
SHA1: ed0ca988fe3b988427d40561e8e45129d9f16766
MD5: 74e822a2e0d80e2a6f94bac1b94e78f1
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
NEW Verified
avcodec-lav-63.dll
by FFmpeg Project
for FFmpeg
FFmpeg codec library
Version: 63.8.100
Product Version: 8.0.git
Language: U.S. English (1033)
Uploaded: Aug 31, 2026   Size: 13.6MB
SHA256: 7edb8267e1726f23db938c72631cc05970b1ccd16e0b5837bb1689881bba7a88
SHA1: f3fdef4c356a4261353ba2a5fa8dd869c92f30f8
MD5: 9e169125b364d3e0bdf4277f8e002633
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD