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api-ms-win-downlevel-normaliz-l1-1-0.dll - Analyze and How to Fix Errors

★★★★☆ Verified File (27.08.2026) The file was obtained from the pack Windows 7

⚠️ Important Notice: Discover details about api-ms-win-downlevel-normaliz-l1-1-0.dll, including its purpose and system requirements. Manually replacing system libraries can brick future Windows updates or cause critical system failures.

Architecture:32-bit (x86)Compatible with 32 and 64-bit Windows
Creation date13.01.2013 23:17:02
File version6.2.9200.16492
Antivirus scan✅ Clean No viruses detected.
Digital signature🟡 Not signedSignature missing. The file may have been modified.
Hash Integrity✅ MD5: VerifiedFile Hash protection is missing.
File size2.5 kb.2560 bytes.

Hashes:

MD5: 2e33dfd10f28f86c3fc40ee123cc3904 ✅
SHA-1: 24c2e2849e2b677d491c86ca2572de3195d8a61e
SHA-256: 57c65671a04efca437a69e8e97b2fca17897ee4608c7db69f77d44fbd3490b50
SHA-512: 11840932f1900d842c913e5767f7254d9d69685e72540d069b18ec43d559c02197ba66f2b78ad19ecf61e3380f161b5152c3e8e3e292e3ac9f8f0b7382127c23

✅ This file is compatible with 32-bit Windows and can run on ✅ 64-bit Windows (via the WOW64 subsystem).

api-ms-win-downlevel-normaliz-l1-1-0.dll: Description & Fixes

File Description

The api-ms-win-downlevel-normaliz-l1-1-0.dll file is a Dynamic Link Library (DLL) component used by the Windows operating system. It belongs to the Microsoft Windows API Downlevel Library system, which ensures compatibility for Unicode string normalization functions across different versions of Windows.

Standard File Location

The legitimate copy of this file is located in the following system directories:

  • 64-bit systems: C:\Windows\System32
  • 32-bit systems (or 32-bit apps on 64-bit systems): C:\Windows\SysWOW64

How to Fix the Error Without Downloading the DLL

Downloading individual DLL files from third-party websites can introduce malware or compatibility issues. Use these built-in Windows tools to repair the missing or corrupted file safely.

1. Run SFC and DISM Scan

Windows has native command-line utilities to scan and repair missing or corrupted system files automatically.

  1. Press the Windows Key, type cmd.
  2. Right-click Command Prompt and select Run as administrator.
  3. Type the following command and press Enter:
    sfc /scannow
  4. Wait for the process to complete (10-15 minutes).
  5. If the error persists, type this command and press Enter:
    DISM /Online /Cleanup-Image /RestoreHealth
  6. Restart your computer.

2. Install Microsoft Visual C++ Redistributables

Many "api-ms-win-" errors occur because the software requires specific runtime libraries that are outdated or missing.

  1. Press Windows Key + R, type control appwiz.cpl, and press Enter.
  2. Look through the list for Microsoft Visual C++ Redistributable.
  3. Note the versions installed (e.g., 2015-2022).
  4. Go to the official Microsoft support website to download the latest combined package for Visual Studio 2015, 2017, 2019, and 2022.
  5. Run the installers (vc redist.x86.exe for 32-bit and vc redist.x64.exe for 64-bit).
  6. Restart your PC.

3. Reinstall the Affected Program

If the error only pops up when launching a specific app or game, that program's local installation data might be corrupted.

  1. Open the Control Panel and go to Programs and Features.
  2. Locate the program causing the error.
  3. Click Uninstall.
  4. Restart your computer.
  5. Reinstall the program using its original setup wizard.

4. Install Pending Windows Updates

Because this DLL is a system API component, missing Windows updates can break dependencies for newer applications.

  1. Press Windows Key + I to open Settings.
  2. Navigate to Update & Security (or Windows Update).
  3. Click Check for updates.
  4. Download and install all available critical and optional updates.
  5. Restart your system.

📊 Diagnostics Tool: Verify Your api-ms-win-downlevel-normaliz-l1-1-0.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-downlevel-normaliz-l1-1-0.dll
Other versions:
️ api-ms-win-downlevel-normaliz-l1-1-0.dll 6.2.9200.16492 64-bit (x64)