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What is aswTdi?


AswTdi.sys is a Windows driver. A driver is a small software program that allows your computer to communicate with hardware or connected devices. This means that a driver has direct access to the internals of the operating system, hardware etc. The free file information forum can help you determine if aswTdi.sys is a Windows system file or if it belongs to an application that you can trust.

Run a free scan to check for aswTdi drivers in need of updating

AswTdi.sys file information

The process known as avast! TDI Filter Driver belongs to software avast! Network Shield Support or avast! Antivirus or avast! Antivirus System by ALWIL Software (www.avast.com) or AVAST Software (www.avast.com).

Description: AswTdi.sys is not essential for the Windows OS and causes relatively few problems. AswTdi.sys is located in the C:\Windows\System32\drivers folder. Known file sizes on Windows 8/7/XP are 36,176 bytes (78% of all occurrences), 43,176 bytes or 57,672 bytes. http://www.file.net/process/aswtdi.sys.html 
The driver can be started or stopped from Services in the Control Panel or by other programs. The program is not visible. The service has no detailed description. The aswTdi.sys file is not a Windows system file. aswTdi.sys appears to be a compressed file. Therefore the technical security rating is 35% dangerous, however you should also read the user reviews.

Recommended: Identify aswTdi.sys related errors

Important: Some malware disguises itself as aswTdi.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the aswTdi.sys process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.

Score

User Comments

Alwil Avast! Network shield support system driver file.
  Samuel  
It is causing my system to crash after uninstalling Avast!
  Austin  

Summary: Average user rating of aswTdi.sys: based on 2 votes with 2 user comments. One user thinks aswTdi.sys is essential for Windows or an installed application. One user thinks it's neither essential nor dangerous.


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Best practices for resolving aswTdi issues

A clean and tidy computer is the key requirement for avoiding problems with aswTdi. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off doing a repair of your installation, or in the case of Windows 8, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the aswTdi.sys process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.



Other processes

aswTdi.sys [all]