What is cmcnfgu.cpl?

Please read below to decide for yourself whether the cmcnfgu.cpl 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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Cmcnfgu.cpl file information

The process known as CmiCnfg DLL belongs to software CmiCnfg Dynamic Link Library by C-Media (

Description: Cmcnfgu.cpl is not essential for the Windows OS and causes relatively few problems. Cmcnfgu.cpl is located in a subfolder of C:\Windows. Known file sizes on Windows 10/8/7/XP are 5,464,064 bytes (20% of all occurrences), 5,611,520 bytes and 9 more variants. 
The program has a visible window. The software is loaded during the Windows boot process (see Registry key: MACHINE\Run). Cmcnfgu.cpl is not a Windows system file. Cmcnfgu.cpl is able to record keyboard and mouse inputs. Therefore the technical security rating is 16% dangerous, however you should also read the user reviews.

Recommended: Identify cmcnfgu.cpl related errors

Important: Some malware camouflages itself as cmcnfgu.cpl, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the cmcnfgu.cpl 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

SoundMax Audio Device für ASUS mobos
Soundtreiber, ungefährlich und am besten behalten
Virtuelle Soundkarte für USB-Headsetvon Gembird.
  Nelson Fluckz   (further information)
C-Media CmiCnfg Dynamic Link Library. Harmless.
soundtreiber für usb heatsed (ultron)
file used by C-media USB Sound Card
auch terratec headset

Rating chart

Summary: Average user rating of cmcnfgu.cpl: based on 7 votes with 7 user comments. 5 users think cmcnfgu.cpl is essential for Windows or an installed application. One user thinks it's probably harmless. One user thinks it's neither essential nor dangerous.

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Best practices for resolving cmcnfgu issues

A clean and tidy computer is the key requirement for avoiding problems with cmcnfgu. 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 cmcnfgu.cpl 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

cmcnfgu.cpl [all]