The cnab3rpk.exe process is an executable component file of the Canon Advanced Printing Technology software, which is a suite of Windows applications bundled with Canon printing devices and AIO (All-In-One) machines. The Canon Advanced Printing Technology software also consists of the firmware components and device driver software utilities that are required by these supported Canon printers. The cnab3rpk.exe process is specifically deployed into the system upon the installation of the Canon Advanced Printing Technology software as the executable program dispatcher file of the CAPT RPC Server application, which is a small program built into the Canon Advanced Printing Technology software, and this application is responsible for assisting the firmware components and driver software resources of compatible Canon printers in implementing its local and remote printing functionalities into the Windows-based system.

Most non-system processes that are running can be stopped because they are not involved in running your operating system. cnab3rpk.exe. is used by Canon Advanced Printing Technology and CAPT RPC Server Application, If you shut down cnab3rpk.exe, it will likely start again at a later time either after you restart your computer or after an application start. To stop cnab3rpk.exe, permanently you need to uninstall the application that runs this process which in this case is Canon Advanced Printing Technology and CAPT RPC Server Application, from your system.

After uninstalling applications it is a good idea to scan you Windows registry for any left over traces of applications. Registry Reviver by ReviverSoft is a great tool for doing this.

The ReviverSoft experts have not yet reviewed cnab3rpk.exe

A process usually a part of an installed application such as Canon Advanced Printing Technology and CAPT RPC Server Application, or your operating system that is responsible for running in functions of that application. Some application require that they have processes running all the time so they can do things such as check for updates or notify you when you get an instant message. Some poorly written applications have many processes that run that may not be required and take up valuable processing power within your computer.

We have not received any complaint about this process having higher than normal impact on PC performance. If you have had bad experiences with it please let us know in a comment below and we will investigate it further.

The first thing you should do if cnab3rpk.exe. is causing errors on your computer is to run a Windows registry scan with Registry Reviver If you are still seeing errors after this you should uninstall the program that cnab3rpk.exe, belongs to, in this case Canon Advanced Printing Technology and CAPT RPC Server Application