api-ms-win-security-cryptoapi-l1-1-0.dll - Analyze and How to Fix Errors
β β β β β Verified File (27.08.2026)β οΈ Important Notice: Meta Description: Discover details about
api-ms-win-security-cryptoapi-l1-1-0.dll, including its role in cryptographic operations on Windows systems. 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 | 13 kb. | 13328 bytes. |
Hashes:
MD5: 88c63a4c4e953f437b8bf571cb3efb39 βSHA-1: 570916a94c86195f5d6fab20a50ea1c64d72004a
SHA-256: 700d72006833299337a53b7c4908d593f386948aa831ba50d524198034b0f167
SHA-512: 1ee9cc3b885a4ffb69f02729dd7ba42f17041eaa8bfdf34e62398467fbe8b164eb96acabcdab6cabe7473630c258d8f8ae6054a46fdd89cfc39bbd9d5f37f3bc
Digital file signature api-ms-win-security-cryptoapi-l1-1-0.dll β
Issuer: Microsoft Windows Production PCA 2011
Encryption algorithm: SHA256
Time stamp: Dec 7 00:57:03 2019 GMT
β This file is compatible with 64-bit Windows and β will not work on a 32-bit operating system.
To fix the api-ms-win-security-cryptoapi-l1-1-0.dll missing error without downloading sketchy third-party files, you must use your system's built-in Windows deployment and repair utilities.
Method 1: Run System File Checker and DISM
Windows can automatically scan and replace missing or corrupted system DLLs using local system images.
- Press the Windows Key, type
cmd, right-click Command Prompt, and select Run as administrator. - Type the following command and hit Enter to scan your system files:
sfc /scannow - Wait for the scan to finish. If errors are found but cannot be fixed, run the Deployment Image Servicing and Management tool by typing this command and hitting Enter:
DISM /Online /Cleanup-Image /RestoreHealth - Restart your computer.
Method 2: Copy from the Windows Downlevel Cache
Windows maintains a local backup cache of api-ms-win API sets in a hidden directory. You can copy the authentic file directly into your application's folder.
- Press Win + E to open File Explorer.
- Navigate to the following system directory:
C:\Windows\System32\downlevel - Locate the file named
api-ms-win-security-cryptoapi-l1-1-0.dllinside this folder. - Copy the file and paste it directly into the installation folder of the program or game that is failing to launch.
Method 3: Re-register the DLL File
If the file exists on your machine but Windows isn't communicating with it properly, you can manually re-register it into the system registry.
- Open Command Prompt as an administrator.
- Execute the following command:
regsvr32 /u api-ms-win-security-cryptoapi-l1-1-0.dll - Next, type this command to register it fresh:
regsvr32 api-ms-win-security-cryptoapi-l1-1-0.dll - Restart your application.
π Diagnostics Tool: Verify Your api-ms-win-security-cryptoapi-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-cryptoapi-l1-1-0.dllOther versions:
οΈ api-ms-win-security-cryptoapi-l1-1-0.dll 10.0.19041.1 32-bit (x86)
Microsoft Corporation