DLL

openh264.dll

Download and install openh264.dll to fix missing or corrupted DLL errors.

(35 Files Available)
Last Updated
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Repository Analysis

Company
Cisco Systems Inc.
Product
Cisco OpenH264 codec
Description
Cisco OpenH264 codec
Architecture
x86 (32 bit) x86-64 (64 bit)
Metadata Consensus
29/35 Files 82.9%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare variant differences.

Frequently Asked Questions

What is openh264.dll?

Metadata analysis shows openh264.dll is a Dynamic Link Library (DLL) developed by Cisco Systems Inc. for Cisco OpenH264 codec and is described as “Cisco OpenH264 codec” .

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 Most errors occur because the DLL is missing, corrupted, or outdated.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 Releases

openh264.dll
by Cisco Systems Inc.
for Cisco OpenH264 codec
Cisco OpenH264 codec
Cisco OpenH264 codec
Version: 2.3.1.2209 Verified
Product Version: 2.3.1.2209
Language: U.S. English (1033)
Uploaded: Jan 1, 2026   Size: 790.2KB
SHA256: 6bafb18b4b171d1572d620ef405f9d43817ee90c6986489f06a60ea3be2d90a4
SHA1: bf29d93eb4444d5dc7fd239c0fbc60593f220eec
MD5: d5929cb0df825f2ce61e2dac8b26eb78
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
openh264.dll
by Cisco Systems Inc.
for Cisco OpenH264 codec
Cisco OpenH264 codec
Cisco OpenH264 codec
Version: 1.5.1.0 Verified
Product Version: 1.5.1.0
Language: U.S. English (1033)
Uploaded: Nov 1, 2025   Size: 613.8KB
SHA256: 059bb50d3300523fe395ed66504725d0cd4f3161abb630f53015bb9625c17340
SHA1: d012494563cb420b1850e73a87b99d6caa31d562
MD5: 0873a3ae5a8ef1687470f317935a5501
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
openh264.dll
by Cisco Systems Inc.
for Cisco OpenH264 codec
Cisco OpenH264 codec
Cisco OpenH264 codec
Version: 2.1.1.2005 Verified
Product Version: 2.1.1.2005
Language: U.S. English (1033)
Uploaded: Oct 15, 2025   Size: 753.9KB
SHA256: aced8d5a76203a52a0ca4a97a0881a7916d5e6ed2b3c2fb86283de03a47662ad
SHA1: 5ef26069a7f7941382cd7a8ba1aee6b6b866a8fe
MD5: 4a83045983aaab0cca77fd0b0062ba3e
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
openh264.dll
by Cisco Systems Inc.
for Cisco OpenH264 codec
Cisco OpenH264 codec
Cisco OpenH264 codec
Version: 2.1.1.2005 Verified
Product Version: 2.1.1.2005
Language: U.S. English (1033)
Uploaded: Oct 13, 2025   Size: 755.9KB
SHA256: 38c0d5841dd3e20a7ec03daf72bd72d5e7d3b5106b0824265719e38c18a4d169
SHA1: be244d1ba479db7e7fc027c7c34d929147faae48
MD5: 4a3d41ef0428fa79a0ff04479676d6a5
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
openh264.dll
Incomplete Metadata
Uploaded: Sep 24, 2025   Size: 619KB
SHA256: ac19e9484b6dc9513a297933052ab93024eef6a0048c8c2fc93e506582982eec
SHA1: 7fad6c5b0fa0e722ea8d9686e0dadc90a17343d2
MD5: 4d6f6f7f5ff87ed5fad7c91fa4d04b49
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD