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api-ms-win-crt-utility-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: Runtime
File size: 19.4 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-utility-l1-1-0.dll

Publisher: Microsoft Corporation
Issuer: Microsoft Code Signing PCA
Encryption algorithm: SHA1
Time stamp: Apr 5 06:03:56 2018 GMT

dll-file, short for dynamic link library, is a type of file used in Windows operating systems. These files contain code and data that can be shared across multiple programs, allowing them to use the same functions without duplicating code. The api-ms-win-crt-utility-l1-1-0.dll file specifically contains various utility functions for C runtime operations.

MD5: 8e88e281e401961155cd9819e38d4410
SHA-1: f879987b1a8c84c93a03c8b092ebec2de7d0e21d
SHA-256: 5b186f66082a59473992e30192facf901f4585e541df37e28e1d23084b3ed610

Where it is used

This DLL file provides a set of utility functions that are commonly required by many Windows applications and system components. It includes functionalities such as string manipulation, memory management, and other low-level operations needed for the execution of various programs. While its exact usage can vary based on the application, it is likely used by any software that requires C runtime support.

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

Misplaced or corrupted versions of this DLL file can lead to several errors. Common issues include:

  • "api-ms-win-crt-utility-l1-1-0.dll not found" — indicating the system cannot find a required file.
  • "missing api-ms-win-crt-utility-l1-1-0.dll" — suggesting that the DLL is missing from your system or program installation path.
  • Error loading api-ms-win-crt-utility-l1-1-0.dll — implying that there was an issue with the DLL during initialization or execution.

File security

The file is signed by Microsoft and its digital signature helps ensure its authenticity. However, any unusual modifications to this DLL could indicate a virus or malicious software. Always verify the integrity of system files using official Microsoft tools to ensure your system's safety.

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

1.
2a. 👉 Try to copy api-ms-win-crt-utility-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-utility-l1-1-0.dll C:\Program Files (x86)\Your program\
👉 Do not replace the files without first making backups.
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 — Often, reinstalling the application that requires this DLL can resolve issues. Ensure you use the official installer from the software's developer.
  2. Update Windows — Keeping your operating system up to date can help fix compatibility issues with DLL files. Follow Microsoft’s update procedures for the latest security patches and updates.
  3. Manually replace api-ms-win-crt-utility-l1-1-0.dll using this page — If you have a valid backup of this file, you can download it from trusted sources and manually replace the existing one. However, proceed with caution to avoid causing further issues.

FAQ

Is api-ms-win-crt-utility-l1-1-0.dll safe?
Yes, it is safe. It is a system file provided by Microsoft for C runtime operations.
Can this be a virus or malware?
No, it cannot be a virus. However, if you encounter unusual behavior, verify its integrity using tools like SFC (System File Checker).

Conclusion

The api-ms-win-crt-utility-l1-1-0.dll file is a critical component in Windows systems, providing essential utility functions for C runtime operations. If you encounter errors related to this DLL, try reinstalling the affected program or updating your operating system. Always ensure that your files come from trusted sources and verify their integrity.


The api-ms-win-crt-utility-l1-1-0.dll file is a core Microsoft system component belonging to the Universal CRT (C Runtime) Library, which is used by developers to run software built with Visual Studio.

File Description & Standard Location

  • Description: This DLL contains runtime functions responsible for system utilities, data handling, and program communication required by modern Windows applications and games.
  • Standard 32-bit Location: C:\Windows\System32 (on 32-bit Windows systems).
  • Standard 64-bit Location: C:\Windows\System32 (for 64-bit files) and C:\Windows\SysWOW64 (for 32-bit compatibility files) on 64-bit Windows systems.

How to Fix the Missing DLL Error Without Downloading individual DLLs

Downloading standalone .dll files from unofficial third-party websites can expose your computer to malware or compatibility issues. You can fix this issue safely using built-in Windows utilities or official repair frameworks:

1. Repair the Microsoft Visual C++ Redistributable

Most missing Universal CRT errors are due to corruption within the official environment. You can fix it natively from the Control Panel:

  1. Press the Windows Key + R, type control appwiz.cpl, and hit Enter.
  2. Locate the Microsoft Visual C++ 2015-2022 Redistributable (or 2015/2017 packages).
  3. Select it and click Change at the top.
  4. Click Repair in the window that appears.
  5. Restart your computer after completion.

2. Run an SFC and DISM Scan

Windows can automatically replace missing or corrupted system files from its hidden local backup cache:

  1. Type cmd into the Windows search box, right-click Command Prompt, and select Run as Administrator.
  2. Type sfc /scannow and press Enter. Wait for the scan to finish.
  3. If errors persist, type DISM.exe /Online /Cleanup-image /Restorehealth and hit Enter.
  4. Restart your system.

3. Copy the File from the Local "Downlevel" Cache

Windows often keeps backup copies of api-ms-win-crt files locally in a system subdirectory:

  1. Open File Explorer and navigate to C:\Windows\System32\downlevel.
  2. Search for api-ms-win-crt-utility-l1-1-0.dll inside this directory.
  3. Copy the file and paste it directly into the installation folder of the app or game causing the error.

4. Run Windows Update

Since this file is part of the Universal C Runtime framework, keeping your OS updated pushes the clean file down natively:

  1. Go to Settings > Update & Security > Windows Update.
  2. Click Check for updates.
  3. Download and install all available updates, then Restart your PC.

If you would like more specific help, let me know what specific game or program is throwing this error, and which version of Windows you are currently running.

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