The famfd.sys file is the process called FileCloner File System Filter Driver that is used by the application Windows DDK Driver developed by Microsoft. This process file is a driver. A driver is a part of a software that can interact with hardware devices. The location of this file is in the C:\Windows\System32\drivers folder. Known sizes for this file include 39,424 bytes, 62,464 bytes with 26% occurrence and 6 other variants. You can access the driver under Services on the Windows Control Panel. This is not a visible program. Widnows DDK or Driver Development Kit is now called Windows Driver Kit or WDK. It is a utility set from Micrsoft that supports development of device drivers designed for Microsoft Windows systems. It includes tools, documentation, samples and build environments for driver developers. A driver development kit is a set of related files and programs that support development of new driver or software. It may also update an existing application driver used by an operating system. A driver complies to the unique requirements of a software or hardware.

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

A process usually a part of an installed application such as Windows DDK 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 famfd.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 famfd.sys, belongs to, in this case Windows DDK Driver