OSError WinError 126, also known as 'The specified module could not be found'
, is a common error that occurs when the Windows operating system cannot locate a required DLL file. This error can be caused by various reasons such as corrupted files, incorrect file paths, or missing dependencies.
In this guide, we will walk you through several easy solutions to fix the OSError WinError 126 issue.
Table of Contents
- Update Windows
- Reinstall the Affected Application
- Run System File Checker
- Check for Missing Dependencies
- Manually Register the DLL File
- FAQ
Update Windows
One of the first steps to resolve the WinError 126 issue is to ensure that your Windows operating system is up-to-date. Updating Windows can fix various bugs and may include the necessary DLL files to resolve the error. Follow these steps to update Windows:
- Press
Win + I
to open the Settings app. - Click on
Update & Security
. - Select
Windows Update
from the left pane. - Click on
Check for updates
and install any available updates.
After the updates are installed, restart your computer and check if the error is resolved.
Reinstall the Affected Application
If the error occurs when you are trying to run a specific application, it is possible that the application's installation is corrupted or incomplete. In this case, you can try reinstalling the affected application. To do this, follow these steps:
- Press
Win + X
and selectApps and Features
. - Locate the affected application in the list, click on it, and select
Uninstall
. - Follow the on-screen instructions to uninstall the application.
- Download the latest version of the application from its official website and install it.
After reinstalling the application, check if the error is resolved.
Run System File Checker
System File Checker (SFC) is a built-in Windows tool that scans and repairs corrupted system files. Running SFC can help you fix the WinError 126 issue if it is caused by corrupted system files. To run SFC, follow these steps:
- Press
Win + X
and selectWindows PowerShell (Admin)
. - In the PowerShell window, type
sfc /scannow
and press Enter. - Wait for the scan to complete. If any corrupted files are found, SFC will attempt to repair them.
Once the scan is complete, restart your computer and check if the error is resolved.
Check for Missing Dependencies
The WinError 126 issue can also occur if the required dependencies for a DLL file are missing. You can use a tool like Dependency Walker to check for missing dependencies.
- Download Dependency Walker from the official website and install it.
- Launch Dependency Walker and open the problematic DLL file.
- The tool will display a list of all the dependencies for the DLL file. Look for any dependencies with a red icon, as these are the missing ones.
- Download the missing dependencies from a reliable source and install them on your computer.
After installing the missing dependencies, check if the error is resolved.
Manually Register the DLL File
If the issue persists, you can try manually registering the problematic DLL file using the regsvr32
command. To do this, follow these steps:
- Press
Win + X
and selectWindows PowerShell (Admin)
. - In the PowerShell window, type
regsvr32 [path_to_the_DLL_file]
and press Enter. Replace[path_to_the_DLL_file]
with the actual path of the problematic DLL file.
If the DLL file is registered successfully, you will receive a confirmation message. Restart your computer and check if the error is resolved.
FAQ {#faq}
Why does OSError WinError 126 occur?
OSError WinError 126 occurs when the Windows operating system cannot locate a required DLL file. This can be caused by various reasons, such as corrupted files, incorrect file paths, or missing dependencies.
How do I identify the missing DLL file?
You can use a tool like Dependency Walker to analyze the problematic application or DLL file and identify the missing dependencies.
Can I download missing DLL files from the internet?
While it is possible to download missing DLL files from the internet, it is not recommended as it can pose security risks. Instead, try to obtain the missing DLL files from official sources, such as the application's website or the Windows Update service.
How can I prevent OSError WinError 126 from occurring in the future?
To prevent OSError WinError 126 from occurring in the future, keep your Windows operating system and installed applications up-to-date, regularly run System File Checker, and ensure that all required dependencies are installed.
Can a virus or malware cause OSError WinError 126?
Yes, a virus or malware can cause OSError WinError 126 by corrupting or deleting important system files. To protect your computer, use a reliable antivirus program and keep it updated.