dgnsvc.exe is a application which is probably legit. So, if dgnsvc.exe is on your PC, it is probably ok, and will NOT be a cause for concern. Even if your PC is clean, it is still recommended to purchase a well-known antivirus with a good detection rate, in order to yourself yourself against viruses and malware.
Normally, this application is stored in C:\Program Files (x86)\Common Files\Nuance\dgnsvc.exe.
The MD5 checksum for this file is 067412e0c00a1d291e238ef427359431.
This application is registered as a Windows service. This means it runs on your PC in background, usually without showing any user interface to you. Most Windows services are ok programs, which perform useful features to other programs or to the Windows Operating System.
This exe runs in 32-bit mode. It can not benefit of the entire set of features of current PC processors. This is quite normal because the makers did not bother to upgrade it to use the x64 instruction set.
The description extracted from the file is Dragon NaturallySpeaking Service.
File version 12.00.101.137.
Producer Nuance Communications, Inc..
Copyright notice Copyright © 1991-2013 Nuance Communications, Inc..
Some dangerous features of the Operating System appear to be used, such as functions for intercepting the keyboard. We recommend you to perform more in-depth research about this program.
dgnsvc.exe has a digital signature. Nowadays most clean programs are digitally signed.
The digital signature extracted from dgnsvc.exe checks out perfectly. This is most likely a clean, ok program.
Digitally signed by: Nuance Communications, Inc.
Certificate's issuer name: VeriSign Class 3 Code Signing 2010 CA
It has an uninstall string in registry, which is good. si are uninstall.