What is fssfltr_tdi?

The genuine fssfltr_tdi.sys file is a software component of Windows Family Safety by Microsoft.
A background process for Windows Family Safety, this file runs as a background process and implements settings applied through the Family Safety User Interface. Family Safety allows a parent to set restrictions on user accounts for their children. The Family Safety software can apply to given user accounts, or run on every account with assigned hotkeys and password to disable. While previously released with Windows Live Essentials, as of Windows 8 and later, Family Safety is built into Windows. Founded in 1975 in New Mexico, Microsoft is now one of the largest software corporations in the world. Currently headquartered in Washington, the flagship Windows operation system is the most utilized OS in the world.

fssfltr_tdi stands for Family Safety System Filter Transport Driver Interface)

Fssfltr_tdi.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 fssfltr_tdi.sys is a Windows system file or if it belongs to an application that you can trust.

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

Fssfltr_tdi.sys file information

The process known as Family Safety Filter Driver (TDI) or fssfltr belongs to software Windows Live Family Safety or fssfltr by Microsoft (

Description: Fssfltr_tdi.sys is not essential for Windows and will often cause problems. The file fssfltr_tdi.sys is located in the C:\Windows\System32\drivers folder. Known file sizes on Windows 10/8/7/XP are 54,760 bytes (46% of all occurrences), 55,152 bytes, 54,752 bytes or 55,136 bytes. 
The driver can be started or stopped from Services in the Control Panel or by other programs. The program is not visible. Fssfltr_tdi.sys is certified by a trustworthy company. There is no detailed description of this service. The fssfltr_tdi.sys file is not a Windows system file. The process can be uninstalled in the Control Panel. fssfltr_tdi.sys appears to be a compressed file. Therefore the technical security rating is 20% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you still experience problems with fssfltr_tdi.sys, you can also uninstall the program using the Control Panel ⇒ Uninstall a ProgramWindows Live Family Safety or Windows Live Protección or turn to the software developer, Live, for advice.

Recommended: Identify fssfltr_tdi.sys related errors

Important: Some malware camouflages itself as fssfltr_tdi.sys. Therefore, you should check the fssfltr_tdi.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.


User Comments

fssfltr_tdi.sys. speichert sich an aswAr text datei .und aswAr1 text datei.Und oem22 WINDOWS\inf. datei.Und scanlog programme\Enigma software.Und Windows\system 32\drivers.
mit fssfltr nahm sich die website zugriff auf die hostdatei um eben aus der hostdateisperrliste zu entfernen was auch geklappt hatte.somit war meine eigens reingeschriebene zeile gelöscht und einen virus oder wurm fssfltr unsichtbar nur mit editor sichtbar.vom virenscanner nicht erkannt worden.
  anonium   (further information)

Summary: Average user rating of fssfltr_tdi.sys: based on 2 votes with 2 user comments. One user thinks it's probably harmless. One user thinks fssfltr_tdi.sys is dangerous and recommends removing it.

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Best practices for resolving fssfltr_tdi issues

A clean and tidy computer is the key requirement for avoiding problems with fssfltr_tdi. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic 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 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the fssfltr_tdi.sys process on your computer, the following programs have proven to be helpful: ASecurity 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. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

fssfltr_tdi.sys [all]