The npwinext.dll file is a modular component process deployed by the Bing Bar application, which is a Web browser toolbar that can be integrated into widely used Web browsers like Internet Explorer. The MSN Toolbar program also requires the npwinext.dll module in order to perform some of its integrated functionalities. MSN Toolbar is also a toolbar program that can be added to Internet Explorer among other supported Web browsers. Because the npwinext.dll module is a Dynamic Link Library (DLL) file, it can accommodate simultaneous referencing requests from multiple applications. The npwinext.dll file contains source code that is integrated with program logic compilation specifications and encoded with data compression standards that are usually implemented into content stored in the DLL file format.

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

A process usually a part of an installed application such as Bing Bar and MSN Toolbar, 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 npwinext.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 npwinext.dll, belongs to, in this case Bing Bar and MSN Toolbar