The avfwot.sys file has the description TDI filtering kernel driver that functions as a driver file belonging to the software Firewall TDI Filter developed by Avira GmbH. This file has digital signature signed by Avira GmbH with certificate issued by VeriSign Time Stamping Services Signer- G2. Other signatures are signed by Avira Operations GmbH & Co. KG with the certificate issued by Symantec Time Stamping Services Signer – G3 or G4. Automatic startup locations for this file are installed drivers. The file path for avfwot.sys file is C:\Windows\System 32\drivers. Known sizes for the file include 67,752 bytes, 63,488 bytes, 51,200 bytes and 57,344 bytes with 57% occurrence. It is not a visible program. The avfwot.sys file is not a core file for Windows. It may be a compressed file. The TDI filtering kernel driver version 12.1.0.14 has an MD5 of ae0c5d218e815af8f38670a8c5773e6e. SHA1 is f837fb652051c021f4b5117f035caa084214e7e7. SHA256 is 214c3490574574552f898200da188028b35d274670ca94251a4e547c2c2eeb12.

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

A process usually a part of an installed application such as Firewall TDI Filter, 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 avfwot.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 avfwot.sys, belongs to, in this case Firewall TDI Filter