reg3.dll - Analyze and How to Fix Errors

★★★★☆ Verified File (27.08.2026)

⚠️ Important Notice: dll file for system stability and compatibility. Essential for Windows applications. 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	08.10.2025 22:43:47
File version	4.1.9816.500
Antivirus scan	✅ Clean	No viruses detected.
Digital signature	🟡 Not signed	Signature missing. The file may have been modified.
Hash Integrity	✅ MD5: Verified	File Hash protection is missing.
File size	104.5 kb.	107008 bytes.

Hashes:

MD5: 7f7901e51f3612a861bdbe25fefc7560 ✅
SHA-1: 609366efb6d952580eda7661958755f83dc87232
SHA-256: 6342822bd097829a7a5bf93143b9731f50b09e37e8baeb78cfd4e4d4d83eceb5
SHA-512: 631629d378aa294db01d78ddaeb58809c2f481d3b5d09c33d6ce77c292a79ec1840619ec26944ade769a8f9f0f7b2517c61966b6f69c28fa4de02ebfc27e4284

✅ This file is compatible with 32-bit Windows and can run on ✅ 64-bit Windows (via the WOW64 subsystem).

How to Fix Reg3.dll Errors Without Downloading

You can fix reg3.dll errors using built-in Windows tools. Do not download DLL files from third-party websites, as they often contain malware.

Re-register the DLL File

Press Windows Key + R to open Run.
Type cmd and press Ctrl + Shift + Enter for admin mode.
Type regsvr32 /u reg3.dll and press Enter to unregister.
Type regsvr32 reg3.dll and press Enter to re-register.
Restart your computer.

Run System File Checker (SFC)

Open Command Prompt as an administrator.
Type sfc /scannow and press Enter.
Wait for the scan to hit 100%.
Restart your system.

Run DISM Tool

Open Command Prompt as an administrator.
Type DISM /Online /Cleanup-Image /RestoreHealth.
Press Enter and wait for completion.

Reinstall the Associated Program

Press Windows Key + R, type appwiz.cpl, press Enter.
Find the program that triggers the error.
Right-click it and select Uninstall.
Reinstall the program from its official source.

Perform a System Restore

Type rstrui in the Windows search bar.
Press Enter to open System Restore.
Select a restore point dated before the error started.
Follow the prompts to restore Windows.

To help pinpoint the exact solution, please let me know:

What specific error message or code do you see?
Which program or game triggers this error?
What version of Windows are you currently running?

📊 Diagnostics Tool: Verify Your `reg3.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:
sal3.dll
├── store3.dll
├── MSVCR90.dll
├── MSVCP90.dll
└── KERNEL32.dll

Similar files:
️wowreg32.exe