What is bjpsmain.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 bjpsmain.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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Bjpsmain.exe file information

Windows Task Manager with bjpsmain
Bjpsmain.exe process in Windows Task Manager

The process known as BJPSMAIN belongs to software Canon Utilities or EOSInfo by CANON INC (

Description: Bjpsmain.exe is not essential for the Windows OS and causes relatively few problems. The file bjpsmain.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 409,600 bytes (96% of all occurrences) or 398,944 bytes. 
The program has a visible window. The file is not a Windows system file. The application starts when Windows starts (see Registry key: MACHINE\Run). Bjpsmain.exe is able to record keyboard and mouse inputs. Therefore the technical security rating is 21% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you have any problems with bjpsmain.exe, you can uninstall Canon Utilities or EOSInfo software via Windows Control Panel/Add or Remove Programs (Windows XP) or Programs and Features (Windows 10/8/7).

Recommended: Identify bjpsmain.exe related errors

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

Cannon Printer file
a plug in or feature of canon pixma ip1300 software
  john marvin  
Cannon Druckertreiber

Summary: Average user rating of bjpsmain.exe: based on 5 votes with 4 user comments. 4 users think bjpsmain.exe is essential for Windows or an installed application. One user thinks it's probably harmless.

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Best practices for resolving bjpsmain issues

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

bjpsmain.exe [all]