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DLL

opencv_world490.dll

Download and install opencv_world490.dll to fix missing or corrupted DLL errors.

(17 Files Available)
Last Updated
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Repository Analysis

Company
N/A
Product
OpenCV library
Description
OpenCV module: All OpenCV modules
Architecture
x86-64 (64 bit) x86 (32 bit)
Metadata Consensus
0/17 Files 0%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare variant differences.

Companies

  • Unknown 17

Products

  • OpenCV library 17

Descriptions

  • OpenCV module: All OpenCV modules 17

Frequently Asked Questions

What is opencv_world490.dll?

Metadata analysis shows opencv_world490.dll is a Dynamic Link Library (DLL) for OpenCV library and is described as “OpenCV module: All OpenCV modules” .

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 Most errors occur because the DLL is missing, corrupted, or outdated.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

Verified
opencv_world490.dll
for OpenCV library
OpenCV module: All OpenCV modules
http://opencv.org/
Version: 4.9.0
Product Version: 4.9.0
Language: U.S. English (1033)
Uploaded: Dec 20, 2025   Size: 62MB
SHA256: bac076335989291ca7b27a2d04f7afd558cb78c14f18e322a7c0b442724dee60
SHA1: 3d80b47bc19fa49af304deaedf879e4fc8f2f179
MD5: 2b44a0bd790074d4f8a0238d7aa99858
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
Verified
opencv_world490.dll
for OpenCV library
OpenCV module: All OpenCV modules
http://opencv.org/
Version: 4.9.0
Product Version: 4.9.0
Language: U.S. English (1033)
Uploaded: Nov 11, 2025   Size: 62.9MB
SHA256: f698d2c60604c1abde4c7a914529b1de2a0435c8f588a4771b5d38bf9d7b3dc5
SHA1: 06d6675d35071c1f23e9619665af1172bd9914f4
MD5: aaa954c7d0168d5e8ec588ffad04e0f6
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
Verified
opencv_world490.dll
for OpenCV library
OpenCV module: All OpenCV modules
http://opencv.org/
Version: 4.9.0
Product Version: 4.9.0
Language: U.S. English (1033)
Uploaded: Nov 11, 2025   Size: 62.9MB
SHA256: 9f85ce54cd19da6b074d491a14813e847fb82eb5486d8fc53e1ac2b601e4e7f6
SHA1: 13cff0bee8b3909b5b56ae04a8e3c6e86e422092
MD5: 9e6ca12d95139553040dd6219c100260
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
Verified
opencv_world490.dll
for OpenCV library
OpenCV module: All OpenCV modules
http://opencv.org/
Version: 4.9.0
Product Version: 4.9.0
Language: U.S. English (1033)
Uploaded: Nov 1, 2025   Size: 62.9MB
SHA256: 9bcbb92e909eda9aaf506fa705c4ae6715ddb397b64b5f0865c6581c99d36bb7
SHA1: 071b3bcce46a2b961766fb5c58bd9618d107d3d7
MD5: 4b1035207c97130ef07a161625c8f1b3
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
Verified
opencv_world490.dll
for OpenCV library
OpenCV module: All OpenCV modules
http://opencv.org/
Version: 4.9.0
Product Version: 4.9.0
Language: U.S. English (1033)
Uploaded: Oct 27, 2025   Size: 33.7MB
SHA256: 968b683854044edb241e65a1f64b196d7f650a4db3a37859298816da420e1eb9
SHA1: e5543a25367252d807ce2d9f1323ce154294c820
MD5: c8b61417d9e8c727703c581dd4c22f55
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD