What is PLFSetI.exe?

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 PLFSetI.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.

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PLFSetI.exe file information

Windows Task Manager with PLFSetI
PLFSetI.exe process in Windows Task Manager

The process known as DefaultSettingEXE MFC Application belongs to software DefaultSettingEXE Application or DefaultSettingEXE MFC Application by SONIX TECHNOLOGY CO. , LTD ( or Suyin Optronics.

Description: PLFSetI.exe is not essential for Windows and will often cause problems. PLFSetI.exe is located in the C:\Windows folder. Known file sizes on Windows 10/8/7/XP are 200,704 bytes (86% of all occurrences), 206,208 bytes and 5 more variants. 
It is not a Windows core file. The program is not visible. The program has no file description. PLFSetI.exe is an unknown file in the Windows folder. PLFSetI.exe is able to record keyboard and mouse inputs. Therefore the technical security rating is 62% dangerous, however you should also read the user reviews.

Recommended: Identify PLFSetI.exe related errors

Important: Some malware also uses the file name PLFSetI.exe, for example Trojan Horse (detected by Symantec), and TrojanDownloader:Win32/Unruy.C (detected by Microsoft). Therefore, you should check the PLFSetI.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.


User Comments

PLFSetI.exe is an executable file for acer integrated webcams. Usually through crystal eye. Removing Crystal eye Should solve this error message.
  Anonymous   (further information)
Part of Acer's notebooks, needed for webcam function
Has to do with Acer laptop webcam. Should be deleted if you uninstall Acer Crystal Eye.
  Vezquex   (further information)
PLFSetI appears mostly in ACER Laptops and seems to have something to do with the webcam
  Alex Leeman   (further information)
acer or gateway program linked to the built in webcam
acer crystal eye webcam application
Crystal eye webcam &Acer - is using this file and not a dangerous. Don't worry about it :)
I agree with the has to do with webcam on acer laptops. I disabled it and noticed no difference.
part of tv tuner or Acer Crystal Eye webcam on acer laptop
  kent are   (further information) (further information)

Rating chart

Summary: Average user rating of PLFSetI.exe: based on 25 votes with 9 user comments. 5 users think PLFSetI.exe is essential for Windows or an installed application. 6 users think it's probably harmless. 8 users think it's neither essential nor dangerous. 2 users suspect danger. 4 users think PLFSetI.exe is dangerous and recommend removing it.

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Best practices for resolving PLFSetI issues

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

PLFSetI.exe [all]