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mv91xxm.dll - Analyze and How to Fix Errors

★★★★☆ Verified File (27.08.2026)

Description


Creation date: 14.04.2015 03:49:16
File version: 1.0.0.3
Antivirus scan: ✅ OK
Category: System
File size: 34.5 kb.
Architecture: 32-bit (x86)
✅ This file is compatible with 32-bit Windows and can run on ✅ 64-bit Windows (via the WOW64 subsystem).
How to determine your system architecture: Press keys Win+R , enter symbols wmic os get osarchitecture , press Enter.

The mv91xxm.dll file is a 32-bit (x86) DLL with characteristics including relocation and NX compatibility. It has an unknown value of 0x14c, an image base at 0x2000000, an entry point at 0x1de5, and a size of 45056 bytes. The version information for this file is 1.0.0.3.

MD5: 05627705d4bb51b09caf7372bdb5d3fd
SHA-1: 807ccba7c77bdac47658d29c274ec90207e70d1e
SHA-256: a72f61f1c4e6a66ee20eb872deee030ee2a8e6ada3ee8fcfa096d24885a689d7

Where It Is Used

This DLL may be related to certain hardware or software components, though its exact purpose is not definitively known from the provided data. Given its name, it might be associated with eSATA (Enhanced Serial ATA) port functionality.

Errors Related to mv91xxm.dll

  • "mv91xxm.dll not found": This error occurs when the DLL file is missing or has been deleted.
  • "Missing mv91xxm.dll": Indicates that the file could not be located by the program attempting to use it.
  • Error loading mv91xxm.dll: This typically means there is a problem with the DLL, such as corruption or incompatibility with other files on your system.

File Security

The mv91xxm.dll file appears to be legitimate based on its characteristics and the absence of any known malicious activity. However, if you encounter issues or are uncertain about the source of the DLL, it is advisable to verify its integrity before proceeding.

mv91xxm.dll was not found
The code execution cannot proceed because mv91xxm.dll was not found
Failed to load mv91xxm.dll
The procedure entry point ... could not be located in mv91xxm.dll

1.
2a. 👉 Try to copy mv91xxm.dll C:\Program Files\Your program\
2b. Also try to copy to bin, lib folders.
2c. Try to copy mv91xxm.dll C:\Program Files (x86)\Your program\
👉 Before replacing the files, make backups.
How do I switch to the current Windows directory?
- Press and hold the key "win" on the keyboard and press the key "r" , then write %windir% and press the key Enter.
How to switch to the directory Program Files (x86) ?
- Press Win+R then enter %ProgramFiles(x86)% and after press Enter.

How to Fix Errors

  1. Reinstall the Program: If you suspect that mv91xxm.dll is causing issues, reinstalling the application or system component that uses this DLL might resolve the problem.
  2. Update Windows: Ensuring your operating system and all installed software are up to date can help prevent compatibility issues with DLL files.
  3. Manually Replace mv91xxm.dll: If you have a backup of the original file or download it from a trusted source, replacing the faulty file might fix the issue. However, proceed with caution and ensure you are using a legitimate version.

FAQ

Q: Can I download mv91xxm.dll from anywhere?

A: Always use official or reputable websites to obtain such files.

Conclusion

The mv91xxm.dll file is an essential component for some Windows applications and system components, particularly those related to eSATA functionality. Understanding its role and how to address issues can help you maintain a stable and secure computing environment.


mv91xxm.dll File Guide & Error Fixes

mv91xxm.dll is a legitimate dynamic link library file associated with Marvell storage controllers, specifically the Marvell Magni Storage Controller miniport driver. It allows your Windows operating system to communicate directly with hardware like SATA hard drives, Solid State Drives (SSDs), and RAID arrays managed by a Marvell chip on your motherboard or expansion card.

Standard File Location

The genuine file is safely stored in the following Windows directory:

  • C:\Windows\System32\drivers\

Note: If you find this file located directly in C:\Windows\ or C:\Users\, it could be a malware or Trojan masquerading as the legitimate driver.

How to Fix mv91xxm.dll Errors (Without Downloading the File)

Downloading individual .dll files from third-party websites is dangerous and can introduce malware. Instead, use these native, safe methods to resolve the issue.

1. Roll Back or Update the Marvell Controller Driver

Since this file belongs to the Marvell storage controller, updating or rolling back the driver will recreate or fix the file.

  1. Right-click the Start Menu and select Device Manager.
  2. Expand the Storage controllers or IDE ATA/ATAPI controllers section.
  3. Right-click your Marvell SATA/RAID Controller and select Properties.
  4. Go to the Driver tab.
  5. Click Roll Back Driver (if available) to revert to a working version, or click Update Driver and select Search automatically for drivers.

2. Run the System File Checker (SFC)

Windows has a built-in tool that scans your system for corrupted or missing driver files and replaces them using cached system files.

  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%. Reboot your computer if prompted.

3. Run the DISM Tool

If the SFC tool cannot find the original file in its cache, the Deployment Image Servicing and Management (DISM) tool will pull a clean copy from official Windows Update servers.

  1. Open Command Prompt as administrator again.
  2. Type the following command and press Enter:
    DISM /Online /Cleanup-Image /RestoreHealth
  3. Once the process completes, run the sfc /scannow command one more time.

4. Reinstall Motherboard Chipset Drivers

If your Marvell controller is integrated into your motherboard, installing the official chipset or storage drivers from your computer manufacturer will repair the file.

  1. Visit the official support website of your motherboard manufacturer (e.g., ASUS, Gigabyte, MSI, ASRock) or PC vendor (Dell, HP, Lenovo).
  2. Enter your specific computer or motherboard model.
  3. Go to the Drivers & Downloads section.
  4. Download and run the SATA/RAID Driver or Chipset Driver installer.

5. Check for Windows Updates

Microsoft frequently bundles storage controller driver fixes into optional or mandatory cumulative Windows updates.

  1. Open Settings (Windows Key + I).
  2. Go to Update & Security (or Windows Update).
  3. Click Check for updates.
  4. Check the Advanced options -> Optional updates section to see if there is a specific Marvell driver update listed.

To help give you the most accurate steps, could you tell me what specific error message you see on your screen and when it appears (e.g., during startup, while booting Windows, or when launching a specific program)?

Other versions:
️ mv91xxm.dll 1.0.0.1 64-bit (x64)