The dfrgfat.exe file is a Windows process that comes with the service name Disk Defragmenter FAT File System Module, which is a part of the program Diskeeper Disk Defragmenter, also called Windows Disk Defragmenter, and is created by Microsoft Corporation, together with Executive Software International, or Diskeeper. The software Diskeeper Disk Defragmenter is a type of computer application that is used primarily for defragmentation, while the dfrgfat.exe file specifically serves as the defragmenter for disks partitions, which are all formatted with the FAT file system. This is an essential process that needs to continue to run on the system as a background system. Stopping this particular file can cause errors and may lead the program to not properly work. Unless it starts to cause problems and errors, the dfrgfat.exe file must not be terminated, or else it can disable the Diskeeper Disk Defragmenter software from functioning, plus it may not execute other processes that depend on it.

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

A process usually a part of an installed application such as Diskeeper Disk Defragmenter, 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 dfrgfat.exe. 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 dfrgfat.exe, belongs to, in this case Diskeeper Disk Defragmenter