Fixing COMCTL32.dll Missing Error in Windows 10 & 11

If you've stumbled upon the dreaded "COMCTL32.dll is missing or not found" error while using your Windows 11 (or 10) system, you're not alone. This error can throw a wrench into your work, preventing applications from launching or behaving as intended. But fret not—there are several tried-and-true methods to resolve it, and we'll guide you through them here.

Understanding COMCTL32.dll​

COMCTL32.dll, or the Common Controls Library, serves a vital role in Windows operating systems by implementing common user interface elements such as buttons, scrollbars, and progress bars. It enables both the OS itself and third-party applications to offer a consistent and seamless user experience.
Errors related to COMCTL32.dll typically arise when an application fails to find this particular DLL during its launch. Causes can range from file corruption, accidental deletion, and compatibility issues to malware infecting system files. The error messages you might encounter are along the lines of:

• “The code execution cannot proceed because COMCTL32.dll was not found. Reinstalling the program may fix this problem.”
• “The program can’t start because COMCTL32.dll is missing from your computer. Try reinstalling the program to fix this problem.”

Location of COMCTL32.dll​

For the technically inclined, here's where you can find COMCTL32.dll:

• On 32-bit Windows systems: C:\Windows\System32
• On 64-bit Windows systems:
  • C:\Windows\System32 (for 64-bit applications)
  • C:\Windows\SysWOW64 (for 32-bit applications)

It can also appear in the WinSxS folder.

Solutions to Fix the COMCTL32.dll Error​

Here are five robust methods to tackle the error and restore your system’s functionality:

1. Re-register the COMCTL32.dll file​

Sometimes, a simple re-registration can resolve the issue. To do this:

• Open Command Prompt as Administrator.
• Type the command:
  

  bash regsvr32 COMCTL32.dll

• Press Enter.

2. Run SFC and DISM Scans​

These built-in tools can help restore missing or corrupted system files effectively.

• SFC Scan:
  • In the Command Prompt (as Administrator), type:

  bash sfc /scannow

  • Press Enter and allow the tool to complete its work.
• DISM Tool:
  • If SFC doesn’t resolve the issue, run DISM by entering:

  bash DISM /Online /Cleanup-Image /RestoreHealth

  • Again, press Enter and then reboot your PC to apply any repairs.

3. Reinstall the Affected Program​

If the error seems to be specific to a particular application, reinstalling it might be the best option:

• Go to Settings > Apps > Installed apps.
• Locate the troublesome application, click on the three dots next to it, and select Uninstall.
• Follow the prompts to completely remove it, then reinstall it from its official source or the Microsoft Store.

4. Use System Restore​

If you have a restore point from before the error started, this could be your ticket back to normalcy:

• Search for System Restore in the Start menu.
• Select Create a restore point, navigate to the System Protection tab, and click System Restore.
• Choose the desired restore point and follow the prompts.

5. Manually Download and Re-register COMCTL32.dll​

As a last resort, you might consider downloading COMCTL32.dll from a verified source like Winbindex:

• Do not download from third-party sites due to potential security risks.
• If available, ensure you download the correct version for your system architecture:
  1. Place the downloaded DLL in the correct directory.
  2. Open Command Prompt as Administrator and run:
     

     bash regsvr32 COMCTL32.dll

Conclusion​

Dealing with missing DLL files can be frustrating, but with these detailed steps, you should be well-equipped to tackle the "COMCTL32.dll missing or not found" error and get your applications back up and running. Don't forget to keep your operating system up to date to minimize future issues—updates often include fixes for various bugs, including missing DLL files.
If all else fails, consider seeking professional technical support. Happy computing!
Source: The Windows Club COMCTL32.dll missing or not found on Windows 11