xnviewtw.dll - Analyze and How to Fix Errors

★★★★☆ Verified File (27.08.2026)

⚠️ Important Notice: Discover details about xnviewtw.dll, its functions, and potential issues in image processing software. 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	17.06.2025 15:21:46
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	168 kb.	172032 bytes.

Hashes:

MD5: d99e23aea86391b194d9867a0cc5678a ✅
SHA-1: bd680365587ca88f4384b193b92809cb3c03d9ee
SHA-256: 12f3b98311bedbe01564e8e5b2b63060f893e64302f4f9fc67f6881bcb97dbe4
SHA-512: c7cd6cf1bc8ac1e7b30aff9da4ff5010c620f5f797dbf846cc376250cbd75ae5201dadb2b61610690f6d7c8820e712cfa309a9b416876871f979473eac86f0bd

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

File Description

xnviewtw.dll is a dynamic link library (DLL) file associated with XnView, a popular freeware software utility used for viewing, organizing, and converting graphic files.

Function: This specific DLL manages TWAIN scanner integration. It allows XnView to communicate directly with scanners and digital cameras to capture images.
Developer: Gougelet Pierre-Emmanuel (creator of XnView).

Standard File Location

The file is typically located within the main installation directory of the XnView application. Standard paths include:

32-bit Windows / 32-bit XnView: C:\Program Files\XnView\
64-bit Windows / 32-bit XnView: C:\Program Files (x86)\XnView\
XnView MP (Multi-Platform version): C:\Program Files\XnViewMP\

How to Fix xnviewtw.dll Errors Without Downloading

If you are seeing a "missing," "not found," or "crash" error related to this file, you can fix it safely without downloading files from risky third-party DLL websites.

Method 1: Reinstall XnView

The safest way to restore a corrupted or missing xnviewtw.dll is to let the official installer recreate it.

Press Windows Key + R, type appwiz.cpl, and press Enter.
Find XnView in the list and select Uninstall.
Restart your computer.
Go to the official XnView website, download the official installer, and install it again.

Method 2: Restore from the Recycle Bin

If you accidentally deleted the file, it might still be recoverable.

Open the Recycle Bin.
Search for xnviewtw.dll.
Right-click the file and select Restore.

Method 3: Run System File Checker (SFC)

If the error is caused by a system conflict or corrupted registry path linking to the file, the built-in Windows repair tool can help.

Type cmd in the Windows search bar.
Right-click Command Prompt and choose Run as administrator.
Type sfc /scannow and press Enter.
Wait for the scan to finish and restart your PC.

Method 4: Update or Reinstall Scanner Drivers

Because this DLL relies heavily on the TWAIN interface for scanning, outdated scanner drivers can cause the file to crash.

Right-click the Start menu and select Device Manager.
Expand Imaging devices or Print queues.
Right-click your scanner/printer and select Update driver.
Alternatively, download the latest TWAIN driver directly from your scanner manufacturer's official website.

📊 Diagnostics Tool: Verify Your `xnviewtw.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.