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

The error indicating that api-ms-win-crt-convert-l1-1-0.dll is missing can appear when trying to open certain programs or games on Windows. This file is part of the Microsoft Visual C++ Redistributable component, and its absence typically results from an uninstalled, corrupted, or outdated version of this component.

What is api-ms-win-crt-convert-l1-1-0.dll?

api-ms-win-crt-convert-l1-1-0.dll is a dynamic link library essential for running applications developed using Visual C++. It facilitates software interactions with the system, so if this file is missing, certain applications may fail to launch.

How to Fix This Issue

1. Install or Update Microsoft Visual C++ Redistributable

The most common solution is to install or update the Microsoft Visual C++ Redistributable for Visual Studio 2015, 2017, and 2019. This package includes all necessary files, including the missing library. To do this:

  • Go to the official Microsoft website.
  • Download the installer for Microsoft Visual C++ for your version of Windows (x86 for 32-bit systems or x64 for 64-bit systems).
  • Run the installer and follow the on-screen instructions.
  • Restart your computer once the installation completes.

2. Update Windows

In some cases, an outdated operating system can cause this error. Try updating Windows to ensure all components are current:

  • Open Settings and navigate to Update & Security.
  • Click Check for updates and install any available updates.

3. Check System File Integrity

The file may have been deleted or corrupted. You can check system files using the built-in sfc utility:

  • Open Command Prompt as an administrator.
  • Type the command sfc /scannow and press Enter.
  • Wait for the scan to complete and fix any detected errors.

4. Reinstall the Problematic Application

If the error occurs only with a specific application, reinstalling it may restore any missing files. Uninstall it through the Control Panel and download the latest version from the developer’s official website.