What is fsproflt.exe?

The genuine fsproflt.exe file is a software component of Hide Folders/My Lockbox by FSPro Labs.
Fsproflt.exe is an executable file that runs the FSPro Labs Filter Service, a part of Hide Folders and My Lockbox, programs developed by FSPro Labs. This file is not a critical Windows component and should be removed if known to cause problems. Hide Folders is a program that turns folders invisible with password protected security. The program provides support for NTFS, FAT32 and FAT volumes. The hidden folder remain hidden regardless of whether the program remains installed on the system or if the system is booted into safe mode. Even if the folders are stored on an external drive, connecting it to another computer will not reveal them. My Lockbox is a program that offers similar features to Hide Folders. The program lets users hide and set password protection to any folder on the system. This program is available as freeware. FSPro Labs is a Russian company that develops software products for the Windows platform for home as well as business users. It currently also develops security products such as, My Lockbox and Cryptic Disk. The company was founded in 2000 and is based in Taganrog, Russia.

FSProFlt stands for FSPro Labs Filter Service

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 fsproflt.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 fsproflt.exe related errors

Fsproflt.exe file information

Windows Task Manager with fsproflt
Fsproflt.exe process in Windows Task Manager

The process known as FSPro Labs Filter Service belongs to software FSPro Labs Filter Service or FSPro Filter Service or FSPro Labs or Hotfix for Microsoft .NET Framework by FSPro Labs (

Description: Fsproflt.exe is not essential for the Windows OS and causes relatively few problems. Fsproflt.exe is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 73,392 bytes (29% of all occurrences), 136,192 bytes and 5 more variants. 
The program has no visible window. The fsproflt.exe file is not a Windows system file. The file has a digital signature. Therefore the technical security rating is 39% dangerous, however you should also read the user reviews.

Uninstalling this variant: You can uninstall FSPro Labs or Hotfix for Microsoft .NET Framework, or try to get help from the software vendor. Click on FSPro Labs or Hotfix for Microsoft .NET Framework in the Windows Control Panel (Software or Programs section) to uninstall it, or click on or to visit the vendor's website.

Recommended: Identify fsproflt.exe related errors

If fsproflt.exe is located in a subfolder of C:\Windows, the security rating is 40% dangerous. The file size is 136,192 bytes (38% of all occurrences), 73,392 bytes, 142,648 bytes, 68,832 bytes or 46,912 bytes. The program is not visible. The fsproflt.exe file is not a Windows system file. The file is digitally signed.

Uninstalling this variant: You can uninstall FSPro Labs, or try to get help from the software vendor. Click on FSPro Labs in the Windows Control Panel (Software or Programs section) to uninstall it, or click on to visit the vendor's website.

Important: Some malware disguises itself as fsproflt.exe, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the fsproflt.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

hotkey enabler for "mylockbox"
It is a file included in the application MyLockbox
fsproflt.exe is part of FSPro Labs Filter Service developed by FSPro Labs

Summary: Average user rating of fsproflt.exe: based on 3 votes with 3 user comments. 2 users think fsproflt.exe is essential for Windows or an installed application. One user thinks it's probably harmless.

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Best practices for resolving fsproflt issues

A clean and tidy computer is the key requirement for avoiding problems with fsproflt. 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 repairing of your installation or, for Windows 8 and later versions, 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 fsproflt.exe 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

fsproflt.exe [all]