What pmxdrv.sys (pmxdrv) does (2024)

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The pmxdrv.sys (pmxdrv) 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 pmxdrv driver.

The pmxdrv.sys process is also known as pmxdrv and is a part of unknown. This software is produced by PAIPTAC Driver or, as the case may be, PTT - Software driver. An obsolete or defective version of pmxdrv.sys can cause problems for your computer that can range from slowness to error messages such as these:

  • pmxdrv has stopped working. Windows is checking for a solution to the problem... (Windows10,8,7)
  • pmxdrv has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available. (Windows10,8,7)
  • pmxdrv.sys has encountered a problem and needs to close.
  • Access violation at address FFFFFFFF in module pmxdrv.sys. Read of address 00000000.

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What you should know about pmxdrv.sys pmxdrv

pmxdrv.sys is not part of Windows, but it is important nonetheless. Pmxdrv.sys is found in the C:\Windows\System32\drivers directory.The file size is 816,792bytes.
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.This file contains no information about the producer or the version. There is no concrete documentation available for this service. This file was developed by a so-called third party provider - and not by Microsoft. This particular software does not have a visible window, and does not appear on the taskbar. This particular software is usually deactivated.pmxdrv.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, 26% 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 pmxdrv.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 pmxdrv?

The file spreads very slowly and does not often make an appearance. Therefore, feedback from other users is not yet available.


How to uninstall unknown

To remove pmxdrv 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 unknown in the list of displayed applications.
  5. Click the program, and then click Uninstall.

What pmxdrv.sys (pmxdrv) does (1)

How to tell if pmxdrv.sys (pmxdrv) 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 pmxdrv. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for pmxdrv 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 pmxdrv.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.

Users with an interest in pmxdrv.sys have also been interested in: sc_acrobat.exe enethook.dll diskediag.exe pmxdrv.sys tprdpw64.exe chtbrkg.dll tpscrex.exe brctrcen.exe [index]

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What pmxdrv.sys (pmxdrv) does (2024)


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