Called as avast! File System Access Blocking Driver, or aswFsBlk, the process called aswfsblk.sys, which is a type of driver (SYS) file, is a part of the software product called avast! Antivirus System, which is developed by ALWIL Software, or AVAST Software. The avast! Antivirus System program is basically a type of security software, so the component aswfsblk.sys is an essential part, that needs to remain active and running within the computer, wherein the application is installed. During the installation of the file, aswfsblk.sys is stored in a file folder location, usually in C:\Program Files, C:\Documents and Settings, or C:\Windows, registered into the Windows registry with a run identifier and an execution command. In addition, aswfsblk.sys is not just a basic part of the security software, but a digitally signed module from ALWIL Software - VeriSign Time Stamping Services Signer - G2, which makes it more essential, and must not be terminated or deleted, unless it is causing problems that affect the system performance of the Windows.

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

A process usually a part of an installed application such as avast! Antivirus System, 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 aswfsblk.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 aswfsblk.sys, belongs to, in this case avast! Antivirus System