How to Fix the "api-ms-win-core-com-l1-1-0.dll is Missing" Error

If you're encountering the "api-ms-win-core-com-l1-1-0.dll is missing" error, it often appears when trying to launch specific applications or games. This issue typically arises in Windows 7 or other older Windows versions, though it can also affect newer versions if certain system components are missing or outdated. This DLL file is part of the Microsoft Visual C++ Redistributable package and is related to Windows API components.

Methods to Resolve "api-ms-win-core-com-l1-1-0.dll is Missing"

1. Update Windows

Start by ensuring that your Windows is fully updated. This step is especially crucial for older versions like Windows 7, where many newer system components might not be readily available without manual updates. To check for updates:

  • Open the Control Panel and go to Windows Update.
  • Click on Check for updates and install any available updates, focusing on security and system component updates.

2. Install the Latest Microsoft Visual C++ Redistributable

This package includes many essential DLL files and is often required by applications to run correctly. To install or update the package:

3. Run SFC and DISM Commands

The System File Checker (SFC) and Deployment Imaging Service and Management Tool (DISM) can scan for and repair missing or corrupted system files.

  1. Open Command Prompt as an administrator.
  2. Enter the command sfc /scannow and press Enter. This command will check and, if needed, restore any corrupted system files.
  3. If the issue persists, run Dism /Online /Cleanup-Image /RestoreHealth to repair the Windows image.

4. Reinstall the Affected Application

Sometimes the error originates from the application itself, particularly if it installed its own outdated DLL files. Try uninstalling the problematic application, then reinstall it, ideally with administrator permissions.

5. Manually Download and Install the Missing DLL File

If none of the above methods work, you might consider manually downloading the api-ms-win-core-com-l1-1-0.dll file from a reputable DLL library site. However, be cautious when using this approach:

  • Download the file only from trusted sources.
  • Place it in the system folder: C:\Windows\System32 for a 32-bit system or C:\Windows\SysWOW64 for a 64-bit system.
  • Restart your computer to apply the changes.