The avgntdd.sys file has the description of Avira AntiVir File Filter Driver that is part of the software AntiVir created by Avira GmbH. It is a driver file with digital signature by Avira GmbH with certificate issued by VeriSign Time Stamping Services Signer. Automatic startup locations for this system file include installed drivers. As a driver, the avgntdd.sys file enables the computer to communicate with connected devices or hardware. It directly accesses internals like hardware and operating systems. There is no visible window used by the program. Known sizes for the file on Windows XP and Windows 7 system include 40,768 bytes, 31,744 bytes, 34,304 bytes and 32,768 bytes with 52% occurrence. Avira AntiVir is a program that provides security for your system by detection and deletion of malicious applications such as viruses. This will help the computer run smoothly.

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

A process usually a part of an installed application such as Avira AntVir, 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 avgntdd.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 avgntdd.sys, belongs to, in this case Avira AntVir