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How to eliminate mrxsmb driver problems

The mrxsmb.sys (Windows NT SMB Minirdr) file is a Windows driver. Generally, drivers are used by Windows to enable internal components like graphic cards and drives, or external devices, such as printers, backup media or input devices.
Click here to check if you need to update your mrxsmb driver.

The mrxsmb.sys process is also known as Windows NT SMB Minirdr or, as the case may be, MRxSmb and is a part of SMB MiniRedirector Wrapper and Engine or, as the case may be, Microsoft Windows Operating System. This software is produced by Microsoft (www.microsoft.com). An obsolete or defective version of mrxsmb.sys can cause problems for your computer that can range from slowness to error messages such as these:

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What you should know about mrxsmb.sys Windows NT SMB Minirdr

mrxsmb.sys is part of Windows. Mrxsmb.sys is found in the C:\Windows\System32\drivers directory. The file size is 456,320 bytes.
If necessary, you can manually stop or start this driver in the Device Manager. The Device Manager can be found in Windows Control Panel under Hardware and Sound/Devices and Printers/Device Manager. The driver facilitates access to your computer's hardware and accessories. It is a Windows system file. The program executes in the background, and can only be terminated using Windows Task Manager. mrxsmb.sys appears to be a file that was compressed by an EXE-Packer. This technique is often used by trojans to keep the file size small and also hamper debugging efforts. However, this in itself is not sufficient reason to presume malicious intent, since even well-intentioned, professional software producers take advantage of compressed files. For this reason, 14% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.

If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves mrxsmb.sys. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.

What do other computer users say about mrxsmb?

Used in windows when copying large network file (further information...)
i don't know much about i just put the recovery in my laptop and now it has bluescreen with this msg: a problem has been detected and windows has been shut down to prevent damage to your computer the problem seems to be caused by the following file: mrxsmb.sys PAGE_FAULT_IN_NONPAGED_AREA
from microsoft clean install (further information...)
all I did was went into safe mode and deleted it, everything is working fine now
MRXSMB.SYS is responsible for SMB network operations

Summary: 8 users judge mrxsmb.sys to be an essential file that should not be touched. 2 users consider it harmless. However, one user considers this to be a suspicious process and would like to get rid of it. source: file.net

How to uninstall SMB MiniRedirector Wrapper and Engine or the program

To remove Windows NT SMB Minirdr from your computer, please follow the manual instructions below or use an automatic uninstaller product.

  1. Click the Windows Start Button. You find it in the lower left corner of the taskbar.
  2. Type the word uninstall.
  3. Click Add or remove programs.
  4. Now locate SMB MiniRedirector Wrapper and Engine or the program in the list of displayed applications.
  5. Click the program, and then click Uninstall.
Remove software in Windows 10
mrxsmb.sys Windows NT SMB Minirdr fix

How to tell if mrxsmb.sys (Windows NT SMB Minirdr) was uninstalled cleanly

After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of Windows NT SMB Minirdr. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for Windows NT SMB Minirdr or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.

What to do if a program does not uninstall

The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.

Last but not least

If Windows not working quite right for you, or if startup is taking a long time, or mrxsmb.sys is causing problems for you, a good Windows diagnostic tool may very well help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.

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