What is nmctxth.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the nmctxth.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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Nmctxth.exe file information

Windows Task Manager with nmctxth
Nmctxth.exe process in Windows Task Manager

The process known as Pure Networks Platform Assistant belongs to software Pure Networks Platform by Pure Networks ( or Cisco Systems (

Description: Nmctxth.exe is not essential for the Windows OS and causes relatively few problems. Nmctxth.exe is located in a subfolder of "C:\Program Files\Common Files". Known file sizes on Windows 10/8/7/XP are 648,504 bytes (47% of all occurrences), 642,856 bytes, 647,216 bytes, 451,896 bytes or 648,488 bytes. 
The file is a Verisign signed file. The file is certified by a trustworthy company. The nmctxth.exe file is not a Windows core file. The program has no visible window. The program starts when Windows starts (see Registry key: MACHINE\Run). The software can be uninstalled in the Control Panel. Nmctxth.exe is able to hide itself and monitor applications. Therefore the technical security rating is 18% dangerous, however you should also read the user reviews.

Uninstalling this variant: You have the option to completely remove Cisco-Linksys LLC or Pure Networks Platform (Control Panel ⇒ Uninstall a Program) or ask the software vendor,, for advice.

Recommended: Identify nmctxth.exe related errors

Important: Some malware camouflages itself as nmctxth.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the nmctxth.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

It's a process used by Cisco for wireless network cards
This is from router Cisco, I have installed aplication from "Cisco" for wireless network cards. Seems to be needed.
nmctxth.exe is a Pure Networks Platform Assistant belonging to Network Magic from Pure Networks, Inc.
I turned it off in msconfig with no discernable consequences. Using a desktop PC hardwired to Cidsco router, no wireless card.
Consuming 50% CPU consistently on a core i5. Turning off in msconfig did not stop it (started from registry entry?).

Summary: Average user rating of nmctxth.exe: based on 5 votes with 5 user comments. 2 users think nmctxth.exe is essential for Windows or an installed application. 2 users think it's probably harmless. One user thinks it's neither essential nor dangerous. One user is not sure about it.

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Best practices for resolving nmctxth issues

A clean and tidy computer is the key requirement for avoiding problems with nmctxth. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the nmctxth.exe process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

nmctxth.exe [all]