The ext2fs.sys file is a driver file. It is the process called Ext2 File System Driver that is used by the application Ext2 IFS for Windows XP created by Stephan Schreiber. A driver is a component of an application that can interact with hardware devices. The directory for ext2fs.sys file is C:\Windows\System32\drivers. Known sizes for this file include 132,736 bytes, 179,584 bytes and 181,120 bytes with 60% occurrence. You can access the driver under Services on the Windows Control Panel. This is not a visible program. The ext2fs.sys file has a digital signature from Stephan Schreiber with certificate issued by GlobalSign Time Stamping Authority. This process automatically starts with drivers installed. The ext2fs.sys file is a pure kernel mode system driver that extends the Windows system to include Ext2 file system. The Ext2fs.sys file caches file data and the metadata of the file system like all on-disk structures of Ext2 file system and directories.

Most non-system processes that are running can be stopped because they are not involved in running your operating system. ext2fs.sys. is used by Ext2 IFS for Wndows XP, If you shut down ext2fs.sys, it will likely start again at a later time either after you restart your computer or after an application start. To stop ext2fs.sys, permanently you need to uninstall the application that runs this process which in this case is Ext2 IFS for Wndows XP, 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 ext2fs.sys

A process usually a part of an installed application such as Ext2 IFS for Wndows XP, 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 ext2fs.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 ext2fs.sys, belongs to, in this case Ext2 IFS for Wndows XP