What is kdfmgr.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 kdfmgr.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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Kdfmgr.exe file information

Windows Task Manager with kdfmgr
Kdfmgr.exe process in Windows Task Manager

The process known as LocalSSL (version R5 Manager, R5 Manager for TrendMicro) belongs to software LocalSSL Manager or LocalSSL (version R5 Manager) by Bluegem Security ( or BlueGem Security (

Description: Kdfmgr.exe is not essential for the Windows OS and causes relatively few problems. Kdfmgr.exe is located in the C:\Windows\System32 folder or sometimes in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 722,472 bytes (60% of all occurrences), 726,568 bytes or 387,288 bytes. 
There is an icon for this program on the taskbar next to the clock. The program has a visible window. The file has a digital signature. The file is not a Windows core file. The file is able to record keyboard inputs. Kdfmgr.exe is able to record keyboard and mouse inputs, hide itself, monitor applications and manipulate other programs. Therefore the technical security rating is 65% dangerous, however you should also read the user reviews.

Recommended: Identify kdfmgr.exe related errors

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

Part of bluegem security. LEGIT IF USING TREND MICRO
  Dalek Draco  

Summary: Average user rating of kdfmgr.exe: based on 1 vote with 1 user comment. One user thinks it's probably harmless.

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Best practices for resolving kdfmgr issues

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

kdfmgr.exe [all]