Error "Api-ms-win-crt-heap-l1-1-0.dll is Missing": How to Fix It?

If you encounter an error stating that Api-ms-win-crt-heap-l1-1-0.dll is missing, it can prevent certain applications from running correctly, especially if they rely on dynamic Windows libraries. This issue often arises due to problems with the Microsoft Visual C++ Redistributable component.

Causes of the "Api-ms-win-crt-heap-l1-1-0.dll is Missing" Error

Common reasons for this error include:

  • The Visual C++ Redistributable for Visual Studio 2015 or later is missing from your computer.
  • The .dll file is corrupted or accidentally deleted.
  • Windows system updates are missing or not correctly installed.

How to Fix "Api-ms-win-crt-heap-l1-1-0.dll is Missing" Error

1. Update Windows

First, try checking for and installing all available Windows updates. Often, components like Visual C++ Redistributable are included in system updates:

  • Go to Settings > Update & Security.
  • Click Check for updates.
  • Install all available updates and restart your computer.

2. Install or Reinstall Visual C++ Redistributable

If updating Windows didn’t help, try installing or updating the Visual C++ Redistributable component:

  1. Visit the official Microsoft Visual C++ Redistributable page.
  2. Download and install the version for your system (x64 for 64-bit systems or x86 for 32-bit).
  3. After installation, restart your computer.

3. Run a System File Check

Sometimes, missing libraries are due to corrupted system files. Use the SFC command to restore them:

1. Open Command Prompt as Administrator.
2. Type: sfc /scannow.
3. Wait for the scan to complete and follow the on-screen instructions.

4. Download the .dll File Manually (With Caution)

If the previous methods didn’t work, you can try downloading the Api-ms-win-crt-heap-l1-1-0.dll file manually as a last resort. Only use trusted sources, as downloaded .dll files may contain malware.

After downloading, copy the file into the C:\Windows\System32 folder for 64-bit systems or C:\Windows\SysWOW64 for 32-bit systems.