api-ms-win-security-base-l1-1-0.dll - Analyze and How to Fix Errors
β β β β β Verified File (27.08.2026)β οΈ Important Notice: Discover details about
api-ms-win-security-base-l1-1-0.dll, including its function and importance in system security. 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 | β Clean | No viruses detected. |
| Digital signature | β Have signed | File have signature, it is original file. |
| Hash Integrity | β MD5: Verified | File Hash protection is missing. |
| File size | 17 kb. | 17424 bytes. |
Hashes:
MD5: 64511836d8e36b045debddf155273610 βSHA-1: a93da9f09e026f3d99455cd306633a67f86b96c9
SHA-256: 5cdc2ce6bf15ff37f3de842ccfa4c33cc2cea2f1441ffaff8b22a5254bce47ce
SHA-512: 7702b9dedca92f0d7246a85839919a73e6ab348c87a6f66137584abd09c195288529d2861c8d469458081b0813fe6c4b47fa20353c100bb657348248f3f2f12a
Digital file signature api-ms-win-security-base-l1-1-0.dll β
Issuer: Microsoft Windows Production PCA 2011
Encryption algorithm: SHA256
Time stamp: Dec 7 00:57:06 2019 GMT
β This file is compatible with 64-bit Windows and β will not work on a 32-bit operating system.
The error api-ms-win-security-base-l1-1-0.dll is missing usually happens when a program needs the Universal C Runtime in Windows, but the files are corrupted, outdated, or missing.
Here is how to fix this issue safely without downloading files from risky third-party DLL websites.
1. Install Windows Updates
This DLL is part of the Windows operating system framework. Updating Windows automatically replaces or repairs it.
- Open the Start Menu.
- Type Check for updates and press Enter.
- Click the Check for updates button.
- Install all available updates and restart your computer.
2. Repair or Install Microsoft Visual C++ Redistributable
The missing file is included in the Visual C++ Redistributable package. Repairing the current installation usually fixes the error.
- Press
Windows Key + Rto open the Run dialog box. - Type
appwiz.cpland press Enter to open Programs and Features. - Look through the list for Microsoft Visual C++ 2015-2022 Redistributable (or older versions like 2015 or 2017).
- Right-click the package and select Change.
- Click Repair in the window that pops up.
- Restart your PC after the process finishes.
3. Run SFC and DISM System Scans
Windows has built-in tools to find and fix broken system files automatically.
- Type
cmdin the Windows search bar. - Right-click Command Prompt and select Run as administrator.
- Type
DISM.exe /Online /Cleanup-image /Restorehealthand press Enter. Wait for it to finish. - Type
sfc /scannowand press Enter. - Restart your computer after the scan completes.
4. Reinstall the Program Causing the Error
If the error only happens when opening one specific app, that app's installation might be corrupted.
- Open Programs and Features (
appwiz.cpl). - Find the problematic application.
- Right-click it and choose Uninstall.
- Reinstall the application using its official installer.
π Diagnostics Tool: Verify Your api-ms-win-security-base-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-security-base-l1-1-0.dllOther versions:
οΈ api-ms-win-security-base-l1-1-0.dll 10.0.19041.1 32-bit (x86)
Microsoft Corporation