What is WinFLService.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 WinFLService.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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WinFLService.exe file information

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

The process known as Service Application belongs to software Folder Lock by New (

Description: WinFLService.exe is not essential for the Windows OS and causes relatively few problems. WinFLService.exe is located in a subfolder of C:\Windows. Known file sizes on Windows 10/8/7/XP are 92,360 bytes (50% of all occurrences), 92,984 bytes and 6 more variants. 
The program has no visible window. The WinFLService.exe file is digitally signed. It is not a Windows system file. WinFLService.exe is able to monitor applications. Therefore the technical security rating is 37% dangerous.

Uninstalling this variant: If problems with Folder Lock occur, you can contact Customer Service or uninstall it software via Windows Control Panel/Add or Remove Programs (Windows XP) or Programs and Features (Windows 10/8/7).

Recommended: Identify WinFLService.exe related errors

If WinFLService.exe is located in the C:\Windows\System32 folder, the security rating is 29% dangerous. The file size is 92,984 bytes (42% of all occurrences), 91,336 bytes and 5 more variants. The program has no visible window. It is digitally signed. The WinFLService.exe file is not a Windows core file. WinFLService.exe is able to monitor applications.

Important: Some malware camouflages itself as WinFLService.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the WinFLService.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 WinFLService issues

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

WinFLService.exe [all]