userinfo.dll - Analyze and How to Fix Errors
β β β β β Verified File (27.08.2026)β οΈ Important Notice: Discover details about
userinfo.dllfile, its functions, and common issues. Manually replacing system libraries can brick future Windows updates or cause critical system failures.
| Architecture: | 32-bit (x86) | Compatible with 32 and 64-bit Windows |
| Creation date | 25.07.2021 00:12:46 | |
| 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 | 14.4 kb. | 14784 bytes. |
Hashes:
MD5: 610ad03dec634768cd91c7ed79672d67 βSHA-1: dc8099d476e2b324c09db95059ec5fd3febe1e1e
SHA-256: c6c413108539f141bea3f679e0e2ef705898c51ec7c2607f478a865fc5e2e2df
SHA-512: 18c3c92be81aadfa73884fe3bdf1fce96ccfbd35057600ef52788a871de293b64f677351ba2885c6e9ce5c3890c22471c92832ffc13ba544e9d0b347c5d33bfd
Digital file signature userinfo.dll β
Publisher: Mozilla Corporation
Issuer: DigiCert SHA2 Assured ID Code Signing CA
Encryption algorithm: SHA256
Time stamp: May 25 16:51:57 2022 GMT
Signature status: valid
β This file is compatible with 32-bit Windows and can run on β 64-bit Windows (via the WOW64 subsystem).
To fix the userinfo.dll error without downloading anything, you need to repair the system files or applications that rely on it. This error usually happens due to file corruption, malware, or a broken software installation.
Run SFC and DISM Scan
Windows has built-in tools to find and replace corrupted system files automatically.
- Press Windows Key + S, type
cmd, right-click Command Prompt, and select Run as administrator. - Type
sfc /scannowand press Enter. - Wait for the scan to finish and restart your computer.
- If the error persists, open Command Prompt as administrator again.
- Type
DISM /Online /Cleanup-Image /RestoreHealthand press Enter. - Restart your PC after the process completes.
Reinstall the Affected Program
If the error occurs only when opening a specific game or program, that application's local copy of the DLL is corrupted.
- Press Windows Key + R, type
appwiz.cpl, and press Enter. - Find the program causing the error in the list.
- Right-click the program and select Uninstall.
- Restart your computer.
- Reinstall the program using its official installer.
Perform a System Restore
If the error started recently, you can roll Windows back to a state when everything worked perfectly.
- Press Windows Key + S, type
Create a restore point, and click the top result. - Click the System Restore button.
- Choose a restore point dated before the error started appearing.
- Click Next and then Finish to start the process.
π Diagnostics Tool: Verify Your userinfo.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:ADVAPI32.dll
βββ KERNEL32.dll
βββ USER32.dll
βββ
UserInfo.dllMozilla Corporation