IT Log

Record various IT issues and difficulties.

The MSCOMCTL. OCX has been loaded, but the call to DllRegisterServer failed with error code 0x8002801C.

To address the issue where DllRegisterServer fails with error code 0x8002801C when attempting to load MSCOMCTL.OCX, follow these steps:

Step-by-Step Explanation and Solution

  1. Understand the Error Code:

  2. The error code 0x8002801C translates to HRESULT where:

    • 0x8002: Indicates a failure in the operation.
    • 0x1C: Specific error during registration, possibly due to missing dependencies or incorrect installation.

  3. Verify File Integrity:

  4. Use the System File Checker tool to scan for corrupted system files:
    sfc /scannow

  5. This ensures that MSCOMCTL.OCX and its dependencies are intact.

  6. Reinstall Affected Software:

  7. If MSCOMCTL.OCX is part of an application like Visual Studio, reinstall it to correct any corrupted components:
    msbuild /target:InstallActiveControls

  8. Run Registration with Administrator Privileges:

  9. Open Command Prompt as Administrator and execute:
    regsvr32 MSCOMCTL.OCX

  10. If prompted, ensure you have the necessary permissions.

  11. Check for Missing Dependencies:

  12. Use Dependency Walker to analyze MSCOMCTL.OCX and identify any missing DLLs or dependencies.

  13. Install any missing components or update existing ones to their correct versions.

  14. Inspect Event Viewer Logs:

  15. Check the Windows Event Viewer for detailed error messages related to the registration process:

    1. Press Win + R, type eventvwr.msc, and press Enter.
    2. Navigate to “Windows Logs > Application” or “Windows Logs > System” for relevant logs.

  16. Re-register COM Components:

  17. If multiple COM components are causing issues, reset the registration database:
    regsvr32 /s /i “C:\Windows\System32\ole32.dll”     regsvr32 /s /i “C:\Windows\System32\oleaut32.dll”

  18. Run Windows Update:

  19. Ensure all system updates are installed to patch any known issues affecting COM components.

  20. Consider System Restore:

  21. If the issue arose after a specific change, restore the system to a previous state using System Restore.

  22. Contact Support if Necessary:

    • If all else fails, consult Microsoft Support or relevant software vendor for further assistance.

By systematically addressing each potential cause and applying these solutions, you should be able to resolve the registration error with MSCOMCTL.OCX.

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