The csmbho.dll file is a Dynamic Link Library (DLL) module that is distributed with the AT&T WorldNet client software to subscribers as a BHO (Browser Helper Object) application. The AT&T WorldNet client application is a Windows program classified as an ISP (Internet Service Provider) connection management tool that aids AT&T WorldNet subscribers in monitoring the status of their Internet connections, in customizing certain settings related to the network configurations of their Windows-based systems, and in managing their Internet connection and Web browser settings. The csmbho.dll module is specifically deployed into the system by the AT&T WorldNet client software as the AT&T WorldNet Client library, which is referenced by the AT&T WorldNet client application whenever the user requests access to the search page provided by their AT&T subscription. The csmbho.dll file is placed in the system and is integrated into the computer's default Web browsers upon the installation of the AT&T WorldNet client software.

Most non-system processes that are running can be stopped because they are not involved in running your operating system. csmbho.dll. is used by AT&T WorldNet Client and AT&T WorldNet Client Library, If you shut down csmbho.dll, it will likely start again at a later time either after you restart your computer or after an application start. To stop csmbho.dll, permanently you need to uninstall the application that runs this process which in this case is AT&T WorldNet Client and AT&T WorldNet Client Library, 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 csmbho.dll

A process usually a part of an installed application such as AT&T WorldNet Client and AT&T WorldNet Client Library, 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 csmbho.dll. 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 csmbho.dll, belongs to, in this case AT&T WorldNet Client and AT&T WorldNet Client Library