api-ms-win-downlevel-advapi32-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: Meta Description: Discover information about api-ms-win-downlevel-advapi32-l1-1-0.dll, a crucial system DLL for Windows API compatibility. 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 date	13.01.2013 23:16:42
File version	6.2.9200.16492
Antivirus scan	✅ Clean	No viruses detected.
Digital signature	🟡 Not signed	Signature missing. The file may have been modified.
Hash Integrity	✅ MD5: Verified	File Hash protection is missing.
File size	10.5 kb.	10752 bytes.

Hashes:

MD5: 6a13b4f3b3f575f1e24b877b9359aaba ✅
SHA-1: 88ddb29ce950bcd5fb60174a11e1937d15a07190
SHA-256: 676ad5f8f709d4a9dce9938d82deee329c9a385a6969c169b3df37aa75f1e4c7
SHA-512: 21f96efb44bc6dbcd110a6b2a7b711831f26a991938323522f9fb429d3f985eb1fc7642bd7054166935d4ba72845764e53d1f4311af53f2f6a709e9b2d16426c

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

File Description: api-ms-win-downlevel-advapi32-l1-1-0.dll

File Overview

Name: api-ms-win-downlevel-advapi32-l1-1-0.dll
Type: Dynamic Link Library (DLL)
Core Function: Part of the Windows API sets. It provides backward compatibility for advanced Windows security and registry functions (ADVAPI32) in older application environments.

Standard File Locations

64-bit Systems (64-bit files): C:\Windows\System32
64-bit Systems (32-bit files): C:\Windows\SysWOW64
32-bit Systems: C:\Windows\System32

How to Fix the Error Without Downloading the DLL

Missing or corrupted DLL errors usually happen because of system corruption or compatibility issues. You can fix this issue safely using built-in Windows tools instead of downloading risky files from third-party sites.

1. Run the SFC and DISM Tools

Windows has built-in repair tools that scan and replace missing or corrupted system files automatically.

Press the Windows Key.
Type cmd.
Right-click Command Prompt and select Run as administrator.

Type this command and press Enter:

DISM.exe /Online /Cleanup-image /Restorehealth

Wait for it to finish, then type this command and press Enter:
```
sfc /scannow
```
Restart your computer.

2. Update Your Windows Operating System

This specific DLL belongs to the "downlevel" API set, which is often updated through official Windows updates.

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

3. Reinstall Microsoft Visual C++ Redistributables

Many applications rely on these packages to properly read API set DLLs.

Press Windows Key + R, type appwiz.cpl, and press Enter.
Look through the list for Microsoft Visual C++ Redistributable packages.
If they are corrupted, you can repair them: right-click the package, choose Change, then click Repair.
If the error persists, note the year of the package your program requires, uninstall it, and run a fresh installation from the official Microsoft website.

4. Run the Program in Compatibility Mode

If an older program throws this error on a newer version of Windows, compatibility settings can bridge the gap.

Right-click the shortcut or .exe file of the program causing the error.
Select Properties.
Click the Compatibility tab.
Check the box for Run this program in compatibility mode for:.
Select Windows 7 or Windows 8 from the drop-down menu.
Click Apply and then OK.

📊 Diagnostics Tool: Verify Your `api-ms-win-downlevel-advapi32-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-advapi32-l1-1-0.dll
Other versions:
️ api-ms-win-downlevel-advapi32-l1-1-0.dll 6.2.9200.16492 64-bit (x64)