mthca32.dll - Analyze and How to Fix Errors

⚠️ Important Notice: Discover information about mthca32.dll, its role in Windows systems, and how to troubleshoot related 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	14.02.2010 17:34:36
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	42 kb.	43048 bytes.

Hashes:

MD5: 7cedb6e31416e63e811809fb0c7ca8a7 ✅
SHA-1: 664c96b24ad99ddf2212d1cc888393285fbe9833
SHA-256: 3e9aab96e2958314d423e28998b0bf55fd5f49784145632139b2c1b1024e5f1a
SHA-512: ad143d8d8e6cc16bc3d93d5b5b90fd51ae981e72282f6857cd2472c4a6d22ab959a7de67d8fa37236e245f48851e49bf5c7a331075b4e52d311ab0adb0e9cc41

Digital file signature mthca32.dll ✅

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

File Description: mthca32.dll

The mthca32.dll file is a Dynamic Link Library (DLL) component associated with Mellanox InfiniBand network adapters.

• Function: It serves as a device-specific driver module (Mellanox InfiniBand HCA User Mode Driver) that enables hardware acceleration and high-performance clustering.
• Association: It is commonly installed alongside Mellanox WinOF (Windows OpenFabrics) software or enterprise server management suites.

Standard File Location

On a standard 64-bit Windows operating system, you can find this file in:

• C:\Windows\System32\ (For the 64-bit version)
• C:\Windows\SysWOW64\ (For the 32-bit compatibility version, if applicable)

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How to Fix mthca32.dll Errors Without Downloading

You should never download individual DLL files from third-party websites, as they often contain malware. Use these official methods to repair the file instead:

1. Reinstall the Mellanox WinOF / Network Driver

Since this file belongs to Mellanox network adapter software, reinstalling the official package will restore the missing file.

1. Open the Control Panel and click Uninstall a program.
2. Look for Mellanox WinOF or Mellanox ConnectX Driver.
3. Right-click it and select Uninstall.
4. Restart your computer.
5. Open Windows Device Manager (devmgmt.msc).
6. Right-click your Network Adapter and select Update driver to let Windows automatically fetch the clean vendor files.

2. Run Windows System File Checker (SFC)

If the file was part of a Windows Server deployment package, the built-in repair tool can restore it.

1. Press the Windows Key, type cmd, right-click Command Prompt, and select Run as administrator.
2. Type the following command and press Enter:

   sfc /scannow

3. Wait for the scan to hit 100% and restart your PC.

3. Run the DISM Tool

If the SFC tool cannot find the file in the local cache, use DISM to fetch a fresh copy from official Windows Update servers.

1. Open Command Prompt as an administrator.
2. Type the following command and press Enter:

   DISM /Online /Cleanup-Image /RestoreHealth

3. Once finished, run the sfc /scannow command one more time.

4. Restore from the Recycle Bin

If you accidentally deleted the file manually, check your Recycle Bin.

1. Open the Recycle Bin icon on your desktop.
2. Search for mthca32.dll.
3. Right-click the file and choose Restore.

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📊 Diagnostics Tool: Verify Your mthca32.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
├── ADVAPI32.dll
├── complib.dll
└── ibal.dll

Similar files:
️mthca32d.dll
Mellanox Technologies,LTD