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DLL

api-ms-win-security-sddl-l1-1-0.dll

Download and install api-ms-win-security-sddl-l1-1-0.dll to fix missing or corrupted DLL errors.

(28 Files Available)
Last Updated
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Repository Analysis

Company
Microsoft Corporation
Product
Microsoft® Windows® Operating System
Description
ApiSet Stub DLL
Architecture
x86-64 (64 bit) ARM64 x86 (32 bit)
Metadata Consensus
28/28 Files 100%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare variant differences.

Companies

  • Microsoft Corporation 28

Products

  • Microsoft® Windows® Operating System 28

Descriptions

  • ApiSet Stub DLL 28

Frequently Asked Questions

What is api-ms-win-security-sddl-l1-1-0.dll?

Metadata analysis shows api-ms-win-security-sddl-l1-1-0.dll is a Dynamic Link Library (DLL) developed by Microsoft Corporation for Microsoft® Windows® Operating System and is described as “ApiSet Stub DLL” .

DLL files (Dynamic Link Libraries) are shared core modules used by Windows programs to run efficiently without duplicating code. Most errors occur because the DLL is missing, corrupted, or outdated. In many cases, reinstalling the related application, repairing Windows, or replacing the DLL resolves the issue.

How do I fix missing DLL errors?
1

Software Fix

Fully uninstall and reinstall the program causing the error. If you are not sure what program is broken, look at the available file metadata above for hints. If a clean reinstall fails, download and install the DLL file manually.

2

Windows System Fix

Make sure Windows is fully updated. To repair system files automatically, right-click the Start menu, open PowerShell (Admin), and run these two commands in order:

Step A DISM /Online /Cleanup-Image /RestoreHealth
Step B sfc /scannow
How do I install DLL files?
1

Download & Extract

Download the file, right-click the folder, and extract all files to your computer.

2

Install the .DLL

Move the extracted DLL file into the root folder of the software that is giving you the error (where its .exe file is located), or place it in the system directory below:

32-bit → C:\Windows\SysWOW64
64-bit → C:\Windows\System32
3

Restart the Program

Close and reopen the program or game so Windows can look for and load the new DLL file.

How do I register DLL files?

Most DLL files do not need registration. However, if your file is a COM component and requires explicit system registration, follow these steps:

1

Open Terminal

Right-click the Start menu and open PowerShell (Admin) or Command Prompt (Admin).

2

Run Command

Type the command below for your file type and press Enter. You can drag and drop the DLL file directly into the terminal window to fill its path automatically.

64-bit regsvr32 "C:\path\to\filename.dll"
32-bit C:\Windows\SysWOW64\regsvr32 "C:\path\to\filename.dll"

Latest Uploads

Browse all files to filter by metadata and to view the latest version available.

NEW
api-ms-win-security-sddl-l1-1-0.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
ApiSet Stub DLL
Version: 10.0.26100.6 (WinBuild.160101.0800)
Product Version: 10.0.26100.6
Language: U.S. English (1033)
Uploaded: Sep 1, 2026   Size: 22.1KB
SHA256: d32e169d9e8c9d41c3a6865f35e04fd9f6c05221db227a6aa9e2c38fe636b5c3
SHA1: e5be1f8ace13e4909421c3ce22e2497427910a46
MD5: f97943e2f84fc150b5f9efc175505f28
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
NEW Verified
api-ms-win-security-sddl-l1-1-0.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
ApiSet Stub DLL
Version: 6.1.7600.16385 (win7_rtm.090713-1255)
Product Version: 6.1.7600.16385
Language: U.S. English (1033)
Uploaded: Aug 27, 2026   Size: 16.3KB
SHA256: b00c2e36f4ab96f807a2ae7da2826cd0b24c77ad10f3a49ecdfafee8523151b2
SHA1: 6885c1fb01264051a8ae431881f1578959f0eb1d
MD5: 1e7bf6c777726301ecadf8c33af1250b
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
api-ms-win-security-sddl-l1-1-0.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
ApiSet Stub DLL
Version: 10.0.28000.4 (WinBuild.160101.0800)
Product Version: 10.0.28000.4
Language: U.S. English (1033)
Uploaded: Jul 4, 2026   Size: 15.7KB
SHA256: a7ba00cfb05414a120b89a480cf7a9dfb0b9c26e1647cda46561a9d906a4f73e
SHA1: cd09b48255f933b0cd2d1c4a08433f17f4476bbc
MD5: 5348a7e8529a3e0c92ef337c73c9334b
ARM 64 Bit
AArch64
DOWNLOAD
api-ms-win-security-sddl-l1-1-0.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
ApiSet Stub DLL
Version: 10.0.28000.4 (WinBuild.160101.0800)
Product Version: 10.0.28000.4
Language: U.S. English (1033)
Uploaded: Jul 3, 2026   Size: 7.2KB
SHA256: 158ee54168ca58d36317296cba4d5b6dbfb35bb2829726e24850d2b33c3524ef
SHA1: bafefb08759c0a6bdc4c73a2b4712958d5263052
MD5: db2a3fe4f148e846237e8b40471dafd4
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
api-ms-win-security-sddl-l1-1-0.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
ApiSet Stub DLL
Version: 10.0.28000.4 (WinBuild.160101.0800)
Product Version: 10.0.28000.4
Language: U.S. English (1033)
Uploaded: Jul 3, 2026   Size: 16.2KB
SHA256: 4af5bbeb9f9d782f5620bfb459669f518491c7f6e0bc6d52a1f1ee774bdce919
SHA1: b6199ef42393ce0170c904c3abc4cbddbe295617
MD5: 983830c2f2c5ea3921dad4c36cf0ea34
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD