What is cnqmswcs.exe?

The genuine cnqmswcs.exe file is a software component of Canon Quick Menu by Canon.
Canon Quick Menu is a utility that provides easy access to applications installed with Canon products. Cnqmswcs.exe runs the Canon Quick Menu program. This is not a critical Windows component and can be removed if known to cause problems. Canon Quick Menu offers a central location to easily access programs and documentation supplied with Canon products. The program can also pull information from the Internet regarding Canon products. This program supports the Windows platform. Canon Inc. is a Japanese corporation that designs and manufactures imaging and optical products such as camcorders, cameras, steppers, photocopiers, computer printers, as well as medical equipment. Canon was founded in 1937 as Precision Optical Instruments Laboratory by Takeshi Mitarai, Goro Yoshida, Saburo Uchida and Takeo Maeda. The company is currently worth over ¥4 trillion and employs over 190,000 people and has offices on all continents except Antarctica. Canon is headquartered in Tokyo, Japan.

CnQMSwCS stands for Canon Quick Menu Software Core Service

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 cnqmswcs.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.

Click to Run a Free Scan for cnqmswcs.exe related errors

Cnqmswcs.exe file information

The process known as Canon Quick Menu Image Display belongs to software Canon Quick Menu by CANON INC (

Description: Cnqmswcs.exe is not essential for the Windows OS and causes relatively few problems. Cnqmswcs.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 940,168 bytes (33% of all occurrences), 991,848 bytes, 989,352 bytes or 989,800 bytes. 
The cnqmswcs.exe file is a Verisign signed file. The file has a digital signature. The file is not a Windows core file. Therefore the technical security rating is 10% dangerous.

Uninstalling this variant: You have the option to uninstall the associated program (Start > Control Panel > Uninstall a Program > Canon Quick Menu).

Recommended: Identify cnqmswcs.exe related errors

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


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Best practices for resolving cnqmswcs issues

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

cnqmswcs.exe [all]