PlainError

The program can't start because api-ms-win-crt-runtime-l1-1-0.dll is missing from your computer

Last checked 2026-10-26 · 3 fixes · reviewed answer

TL;DRA required system file for running certain programs is absent, usually because a supporting software package from Microsoft is not installed or is damaged.

Most likely cause: The Visual C++ runtime components are missing or incomplete on the system

Try first: Restart the computer

Likely causes

  1. The Visual C++ runtime components are missing or incomplete on the systemmost likely
  2. System files have become corrupted over timepossible
  3. The program itself is installed incorrectly or is incompatibleless likely

How to fix it

Safest first: SafeChanges settingsDangerous
  1. Restart the computerSafe

    Close all programs and restart Windows to clear any temporary issues that might prevent files from loading.

  2. Reinstall the affected programChanges settings

    Uninstall the program that shows the error, then download and install the latest version from the original source.

  3. Install the required Microsoft runtime packageChanges settings

    Obtain and install the appropriate Visual C++ Redistributable package directly from the Microsoft website.

    ⚠ Only download from official Microsoft sources to avoid malware.

If that didn't fix it

Run the built-in System File Checker by opening Command Prompt as administrator and typing sfc /scannow

When to see a technician

If the error continues after trying the runtime installation and file check, have a technician examine the Windows installation for deeper corruption.

Quick answers

What does The program can't start because api-ms-win-crt-runtime-l1-1-0.dll is missing from your computer mean?
A required system file for running certain programs is absent, usually because a supporting software package from Microsoft is not installed or is damaged.
What causes The program can't start because api-ms-win-crt-runtime-l1-1-0.dll is missing from your computer?
The Visual C++ runtime components are missing or incomplete on the system. (most likely) System files have become corrupted over time. (possible) The program itself is installed incorrectly or is incompatible. (less likely)
How do I fix The program can't start because api-ms-win-crt-runtime-l1-1-0.dll is missing from your computer?
Try these in order, safest first: 1. Restart the computer. 2. Reinstall the affected program. 3. Install the required Microsoft runtime package.
What if that didn't fix it?
Run the built-in System File Checker by opening Command Prompt as administrator and typing sfc /scannow
When should I see a technician?
If the error continues after trying the runtime installation and file check, have a technician examine the Windows installation for deeper corruption.
Did this fix it? Report a problem

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