The file epm-shd.sys, known as Acer EPM SHD ECV - TO, belongs to software Acer EPM System Hardware Driver by Acer Value Labs, USA. A system hardware driver (SHD) acts as a translator between the hardware device and the operating system or application that uses it. Since device drivers are hardware dependent and operating system-specific, the user should ensure that the drivers that are installed in the computer supports the devices that are connected to it. The system hardware driver Acer EPM SHD ECV supports the battery that is installed in the laptop. The file epm-shd.sys runs in the calling program when the laptop power supply is switched from direct current supply to the battery that is installed. Choosing the battery that will power the laptop depends on how much battery life is needed based on the user's requirements. Battery life is extended when the user employs the ePower Management (EPM) software that balances the power requirements for processing and the remaining battery life.

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

A process usually a part of an installed application such as Acer EPM System Hardware 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 epm-shd.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 epm-shd.sys, belongs to, in this case Acer EPM System Hardware Driver