cryptui.dll - Analyze and How to Fix Errors

★★★★☆ Verified File (27.08.2026)

⚠️ Important Notice: Troubleshoot cryptui.dll errors and ensure smooth Windows functionality with our guide. 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	6.2 kb.	6371 bytes.

Hashes:

MD5: bc653b552ce0e7a921d701c6b88af5d4
SHA-1: 3e3c305c1ef8a02cec56efe8d40cb93a03bed877
SHA-256: 91c86f85d8deacbf94c45eca3873070d01af24ebd4ed7de4ba0cbef6c85fd4bf
SHA-512: fcb78dbc4ec8a3fda1af3b2c34676bccce721cae5bfd51870c0283c7e53feec4b064de6404b605360e17329e2aa9d18d65767579beedd2c4e9b8fdc8e1806115

How to fix errors cryptui.dll without downloading files.

The cryptui.dll file is a legitimate Microsoft Windows component responsible for the Crypto User Interface. Errors usually happen due to registry corruption, malware, or damaged system files.

You do not need to download anything from third-party DLL sites, as those files are often unsafe. Here is how to fix it using built-in Windows tools.

1. Run SFC and DISM Scan

Windows can automatically find and replace missing or corrupted system files.

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

2. Re-register the DLL File

If the file exists but Windows cannot read it, re-registering it can fix the link.

Open Command Prompt (Admin).
Type regsvr32 cryptui.dll and press Enter.
Click OK on the confirmation popup.
Restart your PC.

3. Use Windows System Restore

If the error started recently, you can roll Windows back to a time when it worked perfectly.

Press Windows Key + R, type rstrui, and press Enter.
Click Next.
Choose a restore point dated before the error started.
Click Next and then Finish.

4. Reinstall the Affected Program

If the error only pops up when opening a specific app, that app's installation is likely broken.

Press Windows Key + I to open Settings.
Go to Apps > Installed apps.
Find the software causing the error.
Click the three dots and select Uninstall.
Download and reinstall the official software again.

📊 Diagnostics Tool: Verify Your `cryptui.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.