ncryptsslp.dll - Analyze and How to Fix Errors

★★★★☆ Verified File (27.08.2026)

⚠️ Important Notice: Secure SSL encryption file for data protection. Essential for web server security. Manually replacing system libraries can brick future Windows updates or cause critical system failures.

Architecture:	other	️ Not detected
Antivirus scan	✅ Clean	No viruses detected.
Digital signature	🟡 Not signed	Signature missing. The file may have been modified.
Hash Integrity	ℹ️ Unverified	File Hash protection is missing.
File size	6.7 kb.	6835 bytes.

Hashes:

MD5: 2deb99140e410f5c164e9029ca3d9ccf
SHA-1: 1a954d8dee1a03e0462d064791228d1dd6b85612
SHA-256: 340ad8af09497414051bb6c6cf4fb3b3974344fb496f5012757d3ded6db5ce88
SHA-512: d4c18a68a56a291d385e3da284fff3c3c79edaff4fcd297ca2f37e1a01f2e88ee4a5e8bf9b86ff06499bfd8b13cce6307adac03a76bad19b55fbf8ce8f6a9453

The error ncryptsslp.dll usually indicates that a critical Windows system file related to the CNG SSL Provider (Cryptography Next Generation) is missing, corrupted, or unregistered. You can fix this issue using built-in Windows tools without downloading anything from third-party websites.

1. Run SFC and DISM Scans

Windows has built-in repair tools that can automatically replace missing or corrupted system files like ncryptsslp.dll using clean cached copies.

Press Windows Key + X and select Terminal (Admin) or Command Prompt (Admin).
Type sfc /scannow and press Enter.
Wait for the scan to finish and restart your computer.
If the error persists, open the Admin Command Prompt again.
Type DISM /Online /Cleanup-Image /RestoreHealth and press Enter.
Restart your computer after completion.

2. Re-register the DLL File

If the file exists but Windows cannot read it, re-registering it through the command line can resolve the issue.

Open Command Prompt (Admin).
Type regsvr32 ncryptsslp.dll and press Enter.
If you see a success message, restart your PC.

3. Check for Windows Updates

Outdated system components can cause cryptography errors. Installing pending updates often replaces broken DLL files.

Open Settings (Windows Key + I).
Go to Windows Update.
Click Check for updates.
Install all available updates and restart your device.

4. Use System Restore

If the error started happening recently, you can roll back your system to a state when it was working correctly.

Type Create a restore point in the Windows search bar and click it.
Click the System Restore button.
Choose a date before the error started appearing.
Follow the on-screen prompts to finish the restoration.

📊 Diagnostics Tool: Verify Your `ncryptsslp.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.

Other versions:
️ ncryptsslp.dll 10.0.19041.5438 32-bit (x86) | ️ ncryptsslp.dll 10.0.19041.3636 64-bit (x64)