pfnservice.exe is a program which is probably legit. So, if pfnservice.exe is on your computer, it is probably ok, and will NOT cause problems. Even if your system is virus-free, it is still recommended to purchase a well-known antivirus with a good detection rate, in order to yourself yourself against viruses and malware.
Usually, the default filename and path where the program is stored is
C:\Program Files\FUJITSU\Plugfree NETWORK\PFNService.exe.
The MD5 checksum for this executable is 08736d3852ecff35d6460df826b340ca.
This application is a Windows service. This means it operates on your system in background, usually without displaying any user interface to you. Most Windows services are ok programs, which provide useful functions to other applications or to Windows in general.
This is a x64 executable. It runs using the full capacity of modern computer processors.
The description stored in the exe is Plugfree NETWORK.
File version extracted from the file 7.2.0.1.
Publisher FUJITSU LIMITED.
Legal copyright Copyright FUJITSU LIMITED 2007-2015.
Some dangerous functions of Windows appear to be used, such as functions for intercepting the keyboard. We recommend you to be very careful regarding this program.
A digital signature is missing from this program. The publisher did not bother to sign it. This is probably bad.
It has an uninstall string in registry, which is good. si are uninstall.