mthca32d.dll - Analyze and How to Fix Errors

⚠️ Important Notice: Troubleshoot MTHCA32D.DLL errors and optimize Windows performance with our dedicated support. 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	14.02.2010 17:35:49
File version	2.1.0.5593
Antivirus scan	✅ Clean	No viruses detected.
Digital signature	✅ Have signed	File have signature, it is original file.
Hash Integrity	✅ MD5: Verified	File Hash protection is missing.
File size	64.5 kb.	66088 bytes.

Hashes:

MD5: 997c59d2165cf904e36389ec6cc3f028 ✅
SHA-1: 5ef9586c56ab431a4c740b8d41699e49ecec4681
SHA-256: 959e5241e86ba3062a817dea45c80f450818e9f20ca4e4cd9940c967e7929455
SHA-512: 7efab6b79c2c8e0734fb66e7f8d0f145e921fce054c8e591647d14b205b0554571100e2a38df409b91f0969d896c188317f799e4b473e07f1d6b5e5573810e98

Digital file signature mthca32d.dll ✅

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

mthca32d.dll Overview and Troubleshooting Guide

What is mthca32d.dll?

• Description: InfiniBand HCA (Host Channel Adapter) User Mode Driver.
• Developer: Mellanox Technologies (now NVIDIA).
• Purpose: Manages low-latency network connections for InfiniBand hardware.
• Nature: Non-essential Windows file used primarily in high-performance computing (HPC) or enterprise network setups.

Standard File Location

• 64-bit Systems: C:\Windows\System32 (or inside specific Mellanox/NVIDIA WinOF/WinOF-2 driver directories).

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How to Fix mthca32d.dll Errors Without Downloading the File

Do not download individual DLL files from third-party websites, as they often contain malware. Use these native system fixes instead.

1. Reinstall Mellanox WinOF Drivers

The safest way to restore a missing or corrupted network driver DLL is through the official installer.

1. Open the Control Panel.
2. Click Programs and Features.
3. Locate Mellanox WinOF or Mellanox WinOF-2 in the list.
4. Right-click it and select Repair or Uninstall.
5. If uninstalled, reboot and run the official Mellanox/NVIDIA driver installer package you previously used.

2. Run the System File Checker (SFC)

Windows can automatically find and replace corrupted system files using cached copies.

1. Type cmd in the Windows search bar.
2. Right-click Command Prompt and choose Run as administrator.
3. Type sfc /scannow and press Enter.
4. Wait for the scan to complete and restart your computer.

3. Run the DISM Tool

If the SFC tool cannot fix the file, the Deployment Image Servicing and Management tool will repair the underlying Windows image.

1. Open Command Prompt as an administrator.
2. Type DISM /Online /Cleanup-Image /RestoreHealth and press Enter.
3. Restart your PC after the process finishes.

4. Perform a System Restore

If the error started happening recently, roll back your computer to a state when it worked perfectly.

1. Type Create a restore point in the Windows search bar and open it.
2. Click the System Restore button.
3. Select a date before the error started appearing.
4. Follow the on-screen prompts to complete the restoration.

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📊 Diagnostics Tool: Verify Your mthca32d.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:
msvcrt.dll
├── KERNEL32.dll
├── complibd.dll
└── ibald.dll

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