What is dllcmd32.exe?

The genuine dllcmd32.exe file is a software component of eFax Messenger Plus™ by j2 Global Communications.
Dllcmd32.exe is an executable file that belongs to eFax Messenger Plus, a software to create and send faxes using the Internet. This file is not a critical Windows component and should be removed if known to cause problems. eFax Messenger Plus is a software developed for the Windows and Macintosh OS platforms that is used to create and send faxes, along with onboard features to save, view and edit faxes from any computer. The latest versions of the software include conversion of .efx document files to the Portable Document Format (PDF). eFax Messenger Plus is developed and maintained by j2 Global, Inc., a company that provides Internet services through its Business Cloud Services and Digital Media divisions. The company owns large online properties such as,,, The company was founded in 1995.

DLLCmd32 stands for Dynamic Link Library Command Utility (32-bit)

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 dllcmd32.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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Dllcmd32.exe file information

Windows Task Manager with dllcmd32
Dllcmd32.exe process in Windows Task Manager

The process known as Dynamic Link Library Command Utility belongs to software JetSuite Pro for the HP LaserJet (version 3100) or JetSuite by JetFax ( or (

Description: Dllcmd32.exe is not essential for the Windows OS and causes relatively few problems. Dllcmd32.exe is located in a subfolder of "C:\Program Files\Common Files". The file size on Windows 10/8/7/XP is 26,112 bytes. 
The program has no visible window. The program starts when Windows starts (see Registry key: MACHINE\User Shell Folders). Dllcmd32.exe is not a Windows system file. Therefore the technical security rating is 55% dangerous.

Recommended: Identify dllcmd32.exe related errors

External information from Paul Collins:

Important: Some malware camouflages itself as dllcmd32.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the dllcmd32.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 dllcmd32 issues

A clean and tidy computer is the key requirement for avoiding problems with dllcmd32. 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 dllcmd32.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

dllcmd32.exe [all]