api-ms-win-core-datetime-l1-1-1.dll - Analyze and How to Fix Errors

⚠️ Important Notice: Discover the API-ms-win-core-datetime-l1-1-1.dll library for managing date and time functions in your application. Essential for developers needing precise datetime handling. Manually replacing system libraries can brick future Windows updates or cause critical system failures.

Architecture:	64-bit (x64)	Compatible with only 64-bit Windows
File version	10.0.19041.1
Antivirus scan	✅ Clean	No viruses detected.
Digital signature	✅ Have signed	File have signature, it is original file.
Hash Integrity	✅ MD5: Verified	File Hash protection is missing.
File size	10.8 kb.	11064 bytes.

Hashes:

MD5: 146f5ac9fbe7c7eebdf7ec9a7a408a21 ✅
SHA-1: a807865646e5c39409aab31148cf664511c0bc51
SHA-256: 24c83deebffbc55a329fdf0e893ced6bf626d0b8e4fab9c0424ea393b8173c67
SHA-512: 1a696a192d27a52685e501dd17e6c930f306b1896f55bf3af70888d21cd2ebd56b9e6fe99e1c82006a269d19605ca86a08c04fc1c8cf20b3f56d17d3d339e4bb

Digital file signature api-ms-win-core-datetime-l1-1-1.dll ✅

✅ This file is compatible with 64-bit Windows and ❌ will not work on a 32-bit operating system.

To fix the missing api-ms-win-core-datetime-l1-1-1.dll error without downloading anything from external websites, you can use built-in Windows repair tools or copy the native file from hidden system fallback directories.

Method 1: Use System File Checker (SFC)

Windows has a built-in tool that automatically detects and replaces missing or corrupted system DLL files.

1. Press the Windows Key.
2. Type cmd.
3. Right-click Command Prompt and select Run as administrator.
4. Type the following command and press Enter:

   sfc /scannow

5. Wait for the verification to reach 100%.
6. Restart your computer.

Method 2: Copy from the Windows Downlevel Folder

Windows keeps fallback copies of core api-ms-win APIsets inside a hidden internal system directory. You can copy it directly into the folder of the program causing the error.

1. Press Win + E to open File Explorer.
2. Navigate to this path:

   C:\Windows\System32\downlevel

3. Look for the file named api-ms-win-core-datetime-l1-1-1.dll (or a similar version like l1-1-0.dll).
4. Copy the file.
5. Paste it directly into the installation folder of the game or software that refuses to launch.

Method 3: Run DISM Deployment Tool

If SFC fails to fix the issue, you can use the Deployment Image Servicing and Management tool to repair the underlying Windows system image using your local recovery files.

1. Open Command Prompt as an administrator.
2. Execute the following command:

   DISM /Online /Cleanup-Image /RestoreHealth

3. Let the process finish completely and then restart your PC.

Method 4: Verify Game Files (For Steam, Epic Games, etc.)

If this error happens while launching a game, the game launcher can rebuild the local dependencies without requiring a web browser download.

• Steam: Right-click the game -> Properties -> Installed Files -> Verify integrity of game files.
• Epic Games: Click the three dots on the game tile -> Manage -> Verify.

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📊 Diagnostics Tool: Verify Your api-ms-win-core-datetime-l1-1-1.dll File

Worried that the file on your PC has been modified by malware? Drop it into the form below. Our script will verify its file size, cryptographic hash (MD5/SHA-1), and check for a valid Microsoft digital signature.

Connected files:
api-ms-win-core-datetime-l1-1-1.dll
Other versions:
️ api-ms-win-core-datetime-l1-1-1.dll 10.0.19041.1 32-bit (x86)
Microsoft Corporation