This type of process is known as AEC671X PCI Ultra\W SCSI3 Adapter Driver which belongs to Acard AEC-671X PCI Ultra\W SCSC-3 Controller software designed by Acard Technology. This is a system process and it is located in the folder C:\Windows\System32\drivers of a windows computer. This is not an active process and has no visible window when it is running making it impossible for users to know when the program is running and when it is not. Its function is used by the computer to open and execute files which are required in order for software or an application to run normally. If a user encounters an a671x error, then a user may experience unresponsive programs when launched due to the huge number of files and folders that Windows has. Other windows may be removed when this is encountered or the process be uninstalled then re-installed as new.

Most non-system processes that are running can be stopped because they are not involved in running your operating system. aec671x.sys. is used by Acard AEC-671X PCI Ultra/W SCSC-3 Controller, If you shut down aec671x.sys, it will likely start again at a later time either after you restart your computer or after an application start. To stop aec671x.sys, permanently you need to uninstall the application that runs this process which in this case is Acard AEC-671X PCI Ultra/W SCSC-3 Controller, 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 aec671x.sys

A process usually a part of an installed application such as Acard AEC-671X PCI Ultra/W SCSC-3 Controller, 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 aec671x.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 aec671x.sys, belongs to, in this case Acard AEC-671X PCI Ultra/W SCSC-3 Controller