What is sfa.exe?

The genuine sfa.exe file is a software component of Smart File Advisor by
Smart File Advisor is a file-type identifier for the Microsoft Windows platform. Sfa.exe runs the Smart File Advisor application. This is not an essential Windows process and can be disabled if known to create problems. Smart File Advisor helps find relevant filetype information for unknown file extensions using the database located on the Filefacts server. The program features verifying the integrity of files downloaded from the Internet and analysing parts of the file content in order to identify the correct type of file that needs to open in case of an incorrect file extension. is an online database that contains information on numerous file extensions such as the type of file and possible software applications that support such file types. The website features file categorization, search capabilities, and regular updates.

SFA stands for Smart File Advisor

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the sfa.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

Click to Run a Free Scan for sfa.exe related errors

Sfa.exe file information

Windows Task Manager with sfa
Sfa.exe process in Windows Task Manager

The process known as Smart File Advisor belongs to software Smart File Advisor by

Description: Sfa.exe is not essential for the Windows OS and causes relatively few problems. Sfa.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 280,824 bytes (57% of all occurrences), 283,712 bytes, 282,384 bytes, 283,248 bytes or 280,312 bytes. 
The program has a visible window. The file has a digital signature. The process starts when Windows starts (see Registry key: MACHINE\Run). The sfa.exe file is not a Windows system file. The process can be removed using the Control Panel's Add\Remove programs applet. sfa.exe appears to be a compressed file. Therefore the technical security rating is 7% dangerous.

Uninstalling this variant: You can also do the following:

Recommended: Identify sfa.exe related errors

Important: Some malware camouflages itself as sfa.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder, for example SoftwareBundler:Win32/Tillail (detected by Microsoft), and Suspicious.Cloud.2 (detected by Symantec). Therefore, you should check the sfa.exe 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.


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Best practices for resolving sfa issues

A clean and tidy computer is the key requirement for avoiding problems with sfa. 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 sfa.exe 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

sfa.exe [all]