What is CNSLMAIN.exe?

The genuine CNSLMAIN.exe file is a software component of Canon Solution Menu by Canon.
The Canon Solution Menu serves as a central location to access installed Canon products such as printers and scanners. CNSLMAIN.exe is the core process that runs the Canon Solution Menu program. This is not a critical Windows component and can be removed if known to cause problems. The Canon Solution Menu EX provide easy access to multiple Canon devices and their features. The program displays frequently used features under a customizable menu pane. 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.

CnSlMain stands for Canon Solution Menu Main Process

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 CNSLMAIN.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 CNSLMAIN.exe related errors

CNSLMAIN.exe file information

Windows Task Manager with CNSLMAIN
CNSLMAIN.exe process in Windows Task Manager

The process known as CNSLMAIN belongs to software Canon Utilities Solution Menu by CANON INC (

Description: CNSLMAIN.exe is not essential for the Windows OS and causes relatively few problems. CNSLMAIN.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 767,312 bytes (55% of all occurrences), 644,696 bytes, 722,256 bytes or 802,640 bytes. 
The program has a visible window. The software starts upon Windows startup (see Registry key: MACHINE\Run). The CNSLMAIN.exe file is not a Windows system file. The CNSLMAIN.exe file is digitally signed. CNSLMAIN.exe is a Verisign signed file. CNSLMAIN.exe is able to record keyboard and mouse inputs. Therefore the technical security rating is 6% dangerous.

Uninstalling this variant: If you are having problems with CNSLMAIN.exe, you may want to uninstall Canon Utilities Solution Menu software via Windows Control Panel/Add or Remove Programs (Windows XP) or Programs and Features (Windows 10/8/7).

Recommended: Identify CNSLMAIN.exe related errors

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

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

CNSLMAIN.exe [all]