The file hsfhwich.sys, known as HSFHWICH WDM Driver, belongs to software SoftK56 Modem driver by Conexant Systems. Conexant systems manufactures and sells chips that are used for audio, embedded modem, and chips for high definition mobile and smart TV audio. The SoftK56 is an embedded modem from Conexant systems that support data modulation and demodulation for the supported fax device. It supports the functionality of a fax device that requires robust dial-up connectivity and provides an integrated microcontroller, digital signal processor, memory, and an interface that is independent of the host processor and operating system. The SoftK56 Modem driver with the embedded modem from Conexant systems enables the computer to receive and transmit documents as faxes on a telephone line. Computer users can setup the PC fax/modem with a printer driver to allow the fax modem to function as a printer.

Most non-system processes that are running can be stopped because they are not involved in running your operating system. hsfhwich.sys. is used by SoftK56 Modem driver, If you shut down hsfhwich.sys, it will likely start again at a later time either after you restart your computer or after an application start. To stop hsfhwich.sys, permanently you need to uninstall the application that runs this process which in this case is SoftK56 Modem driver, 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 hsfhwich.sys

A process usually a part of an installed application such as SoftK56 Modem driver, 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 hsfhwich.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 hsfhwich.sys, belongs to, in this case SoftK56 Modem driver