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api-ms-win-crt-convert-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: 22.9 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-convert-l1-1-0.dll

Publisher: Microsoft Corporation
Issuer: Microsoft Code Signing PCA
Encryption algorithm: SHA1
Time stamp: Apr 5 06:03:49 2018 GMT

The api-ms-win-crt-convert-l1-1-0.dll is a Dynamic Link Library (DLL) file that is part of the Windows runtime environment. DLL files are reusable code libraries that provide functionality to multiple applications without the need for recompilation.

This specific DLL, located in the System64 directory, contains functions related to converting between different data types and formats. These functions are used by various system components and third-party programs to handle string conversions, numerical transformations, and more.

MD5: 6656375eef1f90000b25dbbcad3f0c79
SHA-1: e9cb86f2408b3145bd43200417a649bd342cfe2d
SHA-256: aafb22320d8484656d06151a91b85b6cad2b17fdf47a5417fdaf906b5b82b600

Where it is used

The file may be used by a variety of applications and system components that require text or number manipulation. Commonly associated with:

  • Microsoft Visual C++ Redistributable
  • Windows Update services
  • System File Checker (SFC) tool
  • Virus scanners and security software

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

Issues may arise due to missing, corrupted, or outdated versions of this DLL file. Common errors include:

  • api-ms-win-crt-convert-l1-1-0.dll not found
  • missing api-ms-win-crt-convert-l1-1-0.dll
  • error loading api-ms-win-crt-convert-l1-1-0.dll

File security

The file is considered safe and comes from the Windows operating system. It is not associated with any known viruses or malware. However, if you encounter errors related to this DLL, it may indicate an issue that needs addressing rather than a threat.

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

1.
2a. 👉 Try to copy api-ms-win-crt-convert-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-convert-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

To resolve issues with the api-ms-win-crt-convert-l1-1-0.dll file, follow these steps:

  1. Reinstall Programs: Uninstall and reinstall the program that is causing the error. This can often resolve missing or corrupted DLL files.
  2. Update Windows: Ensure your operating system is up to date with the latest patches and updates. Use Windows Update or manually check for updates via Settings > Update & Security.
  3. Manual Replacement: You can manually replace the file if you have a backup from another system or a reputable source.

FAQ

Q: Why do I need api-ms-win-crt-convert-l1-1-0.dll?

A: This DLL provides essential functions for text and number conversions used by various system components.

Q: How can I ensure it stays up to date?

A: Keep your operating system and all installed programs updated. Regularly check for updates in Windows Update settings.

Conclusion

The api-ms-win-crt-convert-l1-1-0.dll is a crucial system file that handles conversions between different data types. Maintaining its integrity can prevent errors and ensure smooth operation of your Windows environment.


File Description: api-ms-win-crt-convert-l1-1-0.dll

The file api-ms-win-crt-convert-l1-1-0.dll is a system component of the Microsoft Visual C++ Redistributable for Visual Studio. It handles data conversion routines (like converting strings to numbers) for applications built using Visual C++.

Standard File Locations

On a healthy Windows system, this file is located in the following directories:

  • 64-bit Windows (for 64-bit apps) & 32-bit Windows: C:\Windows\System32
  • 64-bit Windows (for 32-bit apps): C:\Windows\SysWOW64

How to Fix the Error Without Downloading the DLL File

Downloading individual DLL files from third-party websites is unsafe and can introduce malware. You can fix this error safely using built-in Windows tools and official installers.

Method 1: Install or Repair Microsoft Visual C++ Redistributable

This file belongs to the Universal CRT (C Runtime). Installing or repairing the official package fixes the issue completely.

  1. Press Windows Key + R, type appwiz.cpl, and press Enter.
  2. Look for Microsoft Visual C++ 2015-2022 Redistributable (or 2015, 2017, 2019) in the list.
  3. If it is installed:
    • Select it and click Change.
    • Click Repair in the window that pops up.
  4. If it is missing:
    • Download the official setup directly from Microsoft's website (search for "Visual C++ Redistributable supported downloads").
    • Run the installer to restore all missing files.

Method 2: Run SFC and DISM Tools

Windows has built-in utilities to replace corrupted or missing system files automatically.

  1. Type cmd in your Windows search bar.
  2. Right-click Command Prompt and select Run as administrator.
  3. Type the following command and press Enter:
    DISM.exe /Online /Cleanup-image /Restorehealth
  4. Wait for it to finish, then type this command and press Enter:
    sfc /scannow
  5. Restart your computer after the scan completes.

Method 3: Run Windows Update

The Universal CRT file is often distributed via standard Windows updates.

  1. Open Settings (Windows Key + I).
  2. Go to Update & Security (or Windows Update).
  3. Click Check for updates.
  4. Install all pending updates and restart your PC.

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