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DLL

API-MS-Win-security-provider-L1-1-0.dll

Download and install API-MS-Win-security-provider-L1-1-0.dll to fix missing or corrupted DLL errors.

(27 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
27/27 Files 100%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare variant differences.

Companies

  • Microsoft Corporation 27

Products

  • Microsoft® Windows® Operating System 27

Descriptions

  • ApiSet Stub DLL 27

Frequently Asked Questions

What is API-MS-Win-security-provider-L1-1-0.dll?

Metadata analysis shows API-MS-Win-security-provider-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 Most errors occur because the DLL is missing, corrupted, or outdated.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-provider-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: 61a19204ef75fc9fd11863d9a937f262dfb11244e59716a1df10821b95b69304
SHA1: 7fe66f71c9cc746583e0937621ad2326540d98cf
MD5: 9ef26fa07ba418128489ddff9efd30ce
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
API-MS-Win-security-provider-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: a5f4025b2314a2a52c3034bb466415b7cf200a662029d2d279f65e57895e27f6
SHA1: 91c897219633fb67e6f9961ce821ce50d338af70
MD5: 4040cab87881771e60a8a8ab5a990c4c
ARM 64 Bit
AArch64
DOWNLOAD
API-MS-Win-security-provider-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: ee7817653a211f04daacbf3379aa8c4820008745050696d3e3b7ccb536fac3a4
SHA1: 26663ee8c799336bc83952bf2dbaf0fdde6f4217
MD5: c2d265397726b1f82878d48611699ce7
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
API-MS-Win-security-provider-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: f4d2622ed44587318203f265573cb2df0d3d7968776b50796895bbfa03ffdd3a
SHA1: f11d0350b023f590b03bd09221a9dbcf968abda6
MD5: f82acbbeee23d45d6e7b383f9bbb53fa
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
API-MS-Win-security-provider-L1-1-0.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
ApiSet Stub DLL
Version: 10.0.26100.2 (WinBuild.160101.0800)
Product Version: 10.0.26100.2
Language: U.S. English (1033)
Uploaded: Apr 17, 2026   Size: 16.2KB
SHA256: 8648d3b378f157ed142b87df02bbaaac39decad9e6a0b23a8ebd986e353979bf
SHA1: cce4081dd96048388375b6b4eb5ac6480a55b481
MD5: 35696aef6940d77c22257ebc05fca0f2
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD