Cntaosmgr.exe is the process file for Trend Micro OfficeScan Manager, a powerful security software that combines in-the-cloud security and on-premise technologies to safeguard desktops, laptops, file servers, and mobile devices. OfficeScan has a unique plug-in operation that performs security functions and applies updates without redeploying the system. It performs the basic system safeguard combined with improved quality protection from viruses, worms, Trojan horses, spyware and all known malware and variants upon emergence. OfficeScan’s new unique features include data loss prevention plug-in or DLP, mobile security plug-in, security for Mac, intrusion defense firewall plug-in, optimized virtualization security for desktop, streamline management, isolated control over desktop environments, and consolidated and extended life of the existing hardware. Cntaosmgr.exe automatically recognizes when an agent is under physical or virtual endpoints to improve target protection. It prevents CPU, network, and storage conflicts through serializing the scan and updating operations in each virtual server, and shortens the scan times by white-listing images of previously scanned content.
How can I stop cntaosmgr.exe and should I?
Most non-system processes that are running can be stopped because they are not involved in running your operating system. cntaosmgr.exe. is used by Trend Micro OfficeScan, If you shut down cntaosmgr.exe, it will likely start again at a later time either after you restart your computer or after an application start. To stop cntaosmgr.exe, permanently you need to uninstall the application that runs this process which in this case is Trend Micro OfficeScan, 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.
Is this a virus or other security concern?
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What is a process and how do they affect my computer?
A process usually a part of an installed application such as Trend Micro OfficeScan, 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.
Is cntaosmgr.exe known to be bad for my computer's performance?
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.
What can I do if cntaosmgr.exe is causing errors on my computer?
The first thing you should do if cntaosmgr.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 cntaosmgr.exe, belongs to, in this case Trend Micro OfficeScan