The system file co_mon.sys is a windows driver referred to as Behavior Blocker for Norton Confidential Core provided by Symantec Corporation. Norton Confidential Core is a security software that gives protection to personal information such as passwords and account credentials that user uses upon logging in to websites. It specifically warns user for any sites that has the tendency to corrupt your information. In addition, this application also encrypts all passwords entered to add security. Dynamic link library co_mon.sys is the file that assists the application in doing the said functions. With this file, detected threats will automatically be blocked by the computer. This file does not pull up any visible window and is not a necessary system file for any operating system. The file is located within the subfolders of Windows in the local drive directory. In storage, file size is approximately 23 KB to 36 KB.

Most non-system processes that are running can be stopped because they are not involved in running your operating system. co_mon.sys. is used by Norton Confidential Core, If you shut down co_mon.sys, it will likely start again at a later time either after you restart your computer or after an application start. To stop co_mon.sys, permanently you need to uninstall the application that runs this process which in this case is Norton Confidential Core, 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 co_mon.sys

A process usually a part of an installed application such as Norton Confidential Core, 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 co_mon.sys. 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 co_mon.sys, belongs to, in this case Norton Confidential Core