How to Fix fontsub.dll Missing Error (Solved)
What is fontsub.dll?
fontsub.dll short for “Font Substitution DLL” is a Dynamic Link Library file in Windows operating systems. This essential system component assists applications in rendering various text formats by providing a fallback solution when the required font is not available. It is part of Microsoft Visual C++ Redistributable packages.
Why is fontsub.dll missing?
There are several reasons for the fontsub.dll error in Windows systems including:
- Malware infection: Malicious software might corrupt or delete system files causing them to go missing.
- Accidental deletion: Users may unintentionally remove fontsub.dll during the process of cleaning up their system.
Step-by-Step Fixes:
Method 1: Reinstall Visual C++ Redistributable
Since fontsub.dll is part of the Microsoft Visual C++ Redistributable packages reinstalling them should help resolve the issue.
- Visit the official Microsoft Download Center at https://www.microsoft.com/en-us/download/details.aspx?id=52685
- Download the appropriate Visual C++ Redistributable package for your system (32-bit or 64-bit) and follow the onscreen instructions to install it.
Method 2: Run SFC /scannow command
Running the System File Checker (SFC) with the /scannow option scans all protected system files and replaces incorrect versions with correct ones from a cache.
- Open Command Prompt as an administrator by searching for “cmd” in the Start menu right-clicking on the result and selecting “Run as administrator.”
- Type the following command and press Enter:
- Press Windows key + X and select “Device Manager” from the menu.
- Expand the category for the device you want to update right-click on it and select “Update driver.”
- Choose “Search automatically for updated driver software” and follow the onscreen instructions.
SFC /scannow
Wait for the process to complete. The system may restart automatically.
Method 3: Update System Drivers
Outdated drivers can sometimes cause compatibility issues with system files like fontsub.dll. Updating your system drivers can help resolve the issue.
Conclusion
By following these step-by-step guides you should be able to fix the fontsub.dll missing error in your Windows system. If the issue persists it is recommended to consider using a reliable system repair tool or seeking professional technical assistance.