The process typically known as Padus ASPI Shell is installed with the file pfc.sys. This is the executable file responsible for your computer system to detect your optical media devices. This file is generally installed by the software for various CD/DVD RW programs. This file is required to run upon startup if you regularly use your optical drives. You may prevent it from launching with system boot-up if you will not be immediately using your optical devices. However, to prevent system issues, it is recommended that you leave the file enabled at all times. There were instances where the system encountered errors in loading because it could not detect the CD/DVD RW executable. In fact, uses that disabled or uninstalled the file were not able to use their CD/DVD RW applications at all. The file is usually saved in the System directory of Windows, stored as such, C:\Windows\System 32\Drivers\pfc.sys. Its standard size in bytes is 10,368.
How can I stop pfc.sys and should I?
Most non-system processes that are running can be stopped because they are not involved in running your operating system. pfc.sys. is used by Padus ASPI Shell, If you shut down pfc.sys, it will likely start again at a later time either after you restart your computer or after an application start. To stop pfc.sys, permanently you need to uninstall the application that runs this process which in this case is Padus ASPI Shell, 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.
Is this a virus or other security concern?
ReviverSoft Security Verdict
The ReviverSoft experts have not yet reviewed pfc.sys
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What is a process and how do they affect my computer?
A process usually a part of an installed application such as Padus ASPI Shell, 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.
Is pfc.sys known to be bad for my computer's performance?
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.
What can I do if pfc.sys is causing errors on my computer?
The first thing you should do if pfc.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 pfc.sys, belongs to, in this case Padus ASPI Shell