mshtml.dll - Analyze and How to Fix Errors

★★★★☆ Verified File (27.08.2026)

⚠️ Important Notice: Discover details about mshtml.dll, its function in HTML rendering, and how it integrates with Internet Explorer. Essential for developers and system administrators. 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	277.3 kb.	283954 bytes.

Hashes:

MD5: f8081f2c26a42ab528482016210f2886
SHA-1: 7b8fedb046c491a8aca046209102795c22a343f8
SHA-256: 84e64048e9848be6c18c12db3ab401ca044973878ba264565327787887a4042a
SHA-512: 80230a0d9daa86ca68611e7c93ac41984e6de52e423210b7e991bc1298a3e76c6997ef3797d8830aec3e6fd570b930bfeb228fdc7102a9f8c606528d140eb94d

The file mshtml.dll is the core software component of the Microsoft HTML Rendering Engine (Trident), which allows Windows applications to display HTML web content.

File Description & Location

Description: Microsoft HTML Viewer / Rendering Engine.
Standard Location: C:\Windows\System32 (for 64-bit systems, the 32-bit version is located in C:\Windows\SysWOW64).

How to Fix mshtml.dll Errors (Without Downloading)

You should never download individual DLL files from third-party websites, as they often contain malware or outdated versions. Instead, use these built-in Windows tools to repair the file:

1. Run the System File Checker (SFC)

This built-in tool scans your system for corrupted or missing Windows files and replaces them automatically from a local cached backup.

Press the Windows Key, type cmd, right-click Command Prompt, and select Run as administrator.
Type the following command and press Enter:
```
sfc /scannow
```
Wait for the scan to finish (10–15 minutes). Restart your computer.

2. Run the DISM Tool

If the SFC tool cannot fix the file because the local backup image itself is corrupted, use the Deployment Image Servicing and Management (DISM) tool to repair the system image.

Open Command Prompt as administrator.

Type the following command and press Enter:

DISM /Online /Cleanup-Image /RestoreHealth

Once the process reaches 100%, run the sfc /scannow command from Step 1 once more to complete the repair.

3. Re-register the DLL file

If the file is present but Windows cannot read it correctly, re-registering it in the Windows Registry can resolve the issue.

Open Command Prompt as administrator.
Type the following command and press Enter:
```
regsvr32 mshtml.dll
```
Click OK on the confirmation popup and restart your system.

📊 Diagnostics Tool: Verify Your `mshtml.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.