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api-ms-win-crt-process-l1-1-0.dll - Analyze and How to Fix Errors

★★★★★ Verified File (27.08.2026)

Description


Creation date: 20.11.2015 06:52:51
File version: 10.0.10586.15
Antivirus scan: ✅ OK
Category: System
File size: 19.9 kb.
Architecture: 64-bit (x64)
✅ This file is compatible with 64-bit Windows and ❌ will not work on a 32-bit operating system.
How to determine your system architecture: Press keys Win+R , enter symbols wmic os get osarchitecture , press Enter.

Digital file signature api-ms-win-crt-process-l1-1-0.dll

Publisher: Microsoft Corporation
Issuer: Microsoft Code Signing PCA
Encryption algorithm: SHA1
Time stamp: Apr 5 06:03:55 2018 GMT

The api-ms-win-crt-process-l1-1-0.dll is a dynamic link library (DLL) file used in Windows operating systems. DLL files are essential components that provide reusable code and resources for applications, allowing them to run efficiently without needing duplicate code.

MD5: 57fd551f832a334ea8c02e5f4bcf134f
SHA-1: e07a2ac7a839bfc19518157e52f9b4f526b3922b
SHA-256: 63d828b9c8f292a3d293194ba2e627cd5fa777a57fe6049b3b40c15f538a6df1

Where it is used

This DLL file is part of the Microsoft C Runtime (CRT) library. It contains functions related to process management and execution. Specifically, this DLL provides APIs for spawning new processes, controlling the current process's environment, and managing process synchronization.

Errors related to api-ms-win-crt-process-l1-1-0.dll

  • Error loading api-ms-win-crt-process-l1-1-0.dll
  • api-ms-win-crt-process-l1-1-0.dll not found
  • missing api-ms-win-crt-process-l1-1-0.dll

File security

The file is considered safe and a legitimate part of the Windows system. It is developed by Microsoft as part of the CRT library, which is widely used across various applications and components in the Windows ecosystem.

No virus or malicious substitute has been reported for this DLL file. However, any unexpected error messages should be addressed to ensure your system remains secure.

api-ms-win-crt-process-l1-1-0.dll was not found
The code execution cannot proceed because api-ms-win-crt-process-l1-1-0.dll was not found
Failed to load api-ms-win-crt-process-l1-1-0.dll
The procedure entry point ... could not be located in api-ms-win-crt-process-l1-1-0.dll

1.
2a. 👉 Try to copy api-ms-win-crt-process-l1-1-0.dll C:\Program Files\Your program\
2b. Also try to copy to bin, lib folders.
2c. Try to copy api-ms-win-crt-process-l1-1-0.dll C:\Program Files (x86)\Your program\
👉 Before file replacement, ensure backups are made.
How do I switch to the current Windows directory?
- Press and hold the key "win" on the keyboard and press the key "r" , then write %windir% and press the key Enter.
How to switch to the directory Program Files (x86) ?
- Press Win+R then enter %ProgramFiles(x86)% and after press Enter.

How to fix errors

  1. Reinstall the program: If you are experiencing issues with a specific application that relies on this DLL, try reinstalling it. This can often resolve any corrupted or missing files.
  2. Update Windows: Make sure your operating system is up to date. Microsoft regularly releases updates and patches that include fixes for known issues related to DLLs.
  3. Manually replace api-ms-win-crt-process-l1-1-0.dll: If the above steps do not resolve the issue, you can download a legitimate copy of the file from trusted sources. However, proceed with caution and ensure that the source is reliable to avoid introducing malware.

FAQ

What does api-ms-win-crt-process-l1-1-0.dll do?
This DLL file provides functions for process management and execution in Windows applications.
Why is it missing or causing errors?
The error might occur due to a corrupted system, application issues, or the absence of required updates. Ensure your system and applications are up to date.

Conclusion

Understanding and addressing errors related to api-ms-win-crt-process-l1-1-0.dll is essential for maintaining the stability of your Windows system. Regular updates, proper application management, and cautious file replacement can help resolve any issues you encounter.


api-ms-win-crt-process-l1-1-0.dll is a system component of the Microsoft Visual C++ Redistributable package required to run applications built with Visual Studio.

File Description & Location

  • Description: Universal CRT (C Runtime) Process Extension Dynamic Link Library. It manages process creation, execution, and termination threads for software applications.
  • Standard Locations:
    • C:\Windows\System32 (For 64-bit systems running 64-bit apps, or 32-bit systems running 32-bit apps)
    • C:\Windows\SysWOW64 (For 64-bit systems running 32-bit apps)

How to Fix the Error Without Downloading the DLL File

Downloading individual .dll files from third-party websites is unsafe and can introduce malware. Instead, fix the missing file error using these built-in system repairs:

1. Install or Repair Microsoft Visual C++ Redistributable

The safest way to restore this file is by letting Microsoft's official installer repair it.

  • Open the Control Panel and navigate to Programs and Features.
  • Look through the list for Microsoft Visual C++ 2015-2022 Redistributable (or Visual C++ 2015).
  • Right-click the entry and select Change, then click Repair.
  • Restart your computer after the process completes.

2. Run Windows Update

This file is part of the Universal CRT, which Microsoft distributes via standard system updates.

  • Open your Start Menu and click the Settings gear icon.
  • Go to Update & Security > Windows Update.
  • Click Check for updates and install all pending critical and optional updates.
  • Reboot your PC.

3. Run System File Checker (SFC)

Windows has a built-in tool designed to scan and automatically replace missing or corrupted system files.

  • Type cmd into the Windows search bar.
  • Right-click Command Prompt and choose Run as administrator.
  • Type the following command and press Enter:
    sfc /scannow
  • Wait for the scan to hit 100%, then restart your system.

If you would like to proceed with troubleshooting, please tell me:

  • What specific app or game triggers this error?
  • Which Windows operating system version (e.g., Windows 10, Windows 11, Windows 7) are you running?

I can give you step-by-step instructions tailored exactly to your environment.

Other versions:
️ api-ms-win-crt-process-l1-1-0.dll 10.0.17134.12 32-bit (x86)
Microsoft Corporation