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api-ms-win-core-datetime-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: 18.9 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-core-datetime-l1-1-0.dll

Publisher: Microsoft Corporation
Issuer: Microsoft Code Signing PCA
Encryption algorithm: SHA1
Time stamp: Apr 5 06:03:36 2018 GMT

The file api-ms-win-core-datetime-l1-1-0.dll is a Windows system DLL (Dynamic Link Library) that contains code for handling date and time functions. It's part of the Microsoft library used by various components and applications within the Windows operating system to perform date and time-related operations.

MD5: 6efa01a97a1d0a2d0e9a1dd2cbc9b6e2
SHA-1: d8a832ba154c796a01c2f21f9b0ac410d7d7db28
SHA-256: 5edf20f36015cc8b3da0f2cb16b19bc9918c39134f61b64799da5d318a077e69

Where it Is Used

This DLL file is typically used by a wide range of Microsoft Windows applications, including but not limited to:

  • System utilities and services that require date and time information.
  • User interface elements for displaying dates and times.
  • Other core system components and APIs that interact with the operating system's date and time functions.

Errors Related to api-ms-win-core-datetime-l1-1-0.dll

If this file is missing or corrupted, you may encounter errors such as:

  • "api-ms-win-core-datetime-l1-1-0.dll not found"
  • "Missing api-ms-win-core-datetime-l1-1-0.dll"
  • Error loading api-ms-win-core-datetime-l1-1-0.dll

File Security

The file appears to be safe and part of the Windows system. However, if you encounter unexpected behavior or errors related to this DLL, ensure that your operating system is up-to-date and check for any suspicious activity. It's always a good practice to verify the integrity of system files using built-in tools like SFC (System File Checker).

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

1.
2a. 👉 Try to copy api-ms-win-core-datetime-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-core-datetime-l1-1-0.dll C:\Program Files (x86)\Your program\
👉 It is recommended to back up the files before replacement.
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 suspect that a specific application is causing issues, reinstalling it may resolve the problem.
  2. Update Windows: Ensure your operating system is up-to-date with the latest service packs and patches. This can often fix missing or corrupted DLL files.
  3. Manually replace api-ms-win-core-datetime-l1-1-0.dll: You can try to download a fresh copy of the file from trusted sources, but be cautious when doing so as downloading from untrusted sites may introduce security risks. Ensure you only obtain files from reputable Microsoft servers or authorized channels.

FAQ

Q: Can api-ms-win-core-datetime-l1-1-0.dll be a virus?

No, it is part of the Windows system and not a virus. However, if you're unsure about its integrity or behavior, run a full antivirus scan on your system.

Q: How do I get api-ms-win-core-datetime-l1-1-0.dll?

You can download it from trusted sources like Microsoft's official servers. Ensure you follow proper security practices when downloading such files.

Conclusion

The api-ms-win-core-datetime-l1-1-0.dll file is an essential part of Windows and plays a critical role in handling date and time functions. Understanding how to identify and fix issues related to this DLL can help ensure smooth operation of your system.


api-ms-win-core-datetime-l1-1-0.dll: Description, Location, and Fixes

The file api-ms-win-core-datetime-l1-1-0.dll is a core system component in Microsoft Windows. Errors related to this file typically occur when a program cannot access the required date and time functions.

File Description

  • Name: api-ms-win-core-datetime-l1-1-0.dll
  • Type: Dynamic Link Library (DLL)
  • Function: It belongs to the Windows API Set. It handles date and time operations for various applications.
  • Underlying Cause: This error usually means the Visual C++ Redistributable package is corrupted or missing, or your Windows operating system is missing critical updates.

Standard File Location

On a standard Windows installation, this file is located in the following directories:

  • For 64-bit systems (64-bit files): C:\Windows\System32\
  • For 64-bit systems (32-bit files for compatibility): C:\Windows\SysWOW64\
  • For 32-bit systems: C:\Windows\System32\

How to Fix the Error Without Downloading the DLL File

Downloading individual DLL files from third-party websites is unsafe and can introduce malware. Use these official Windows methods instead.

1. Install Windows Updates

Missing system updates are the most common cause of this error.

  • Open the Start Menu and click Settings (gear icon).
  • Go to Update & Security > Windows Update.
  • Click Check for updates.
  • Install all available updates and restart your computer.

2. Run the System File Checker (SFC)

Windows has a built-in tool to repair corrupted system files automatically.

  • Type cmd in the Windows search bar.
  • Right-click Command Prompt and select Run as administrator.
  • Type sfc /scannow and press Enter.
  • Wait for the scan to hit 100%, then restart your PC.

3. Run the DISM Tool

If SFC cannot fix the file, the Deployment Image Servicing and Management (DISM) tool will restore system health.

  • Open Command Prompt as an administrator again.
  • Type DISM /Online /Cleanup-Image /RestoreHealth and press Enter.
  • Allow the process to finish and restart your computer.

4. Reinstall the Software Causing the Error

If the error only happens when opening a specific app or game, that program's installation might be corrupted.

  • Open Settings > Apps > Apps & features.
  • Find the problematic program and click Uninstall.
  • Reinstall the program from its original official source.

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