What is the "audiodg.exe" process on windows 7? Is the "audiodg.exe" process a virus? Can I terminate the "audiodg.exe" process?

"audiodg.exe" process represents "Windows Audio Device Graph Isolation" program.

"audiodg.exe" process is normally running under the parent process "svchost" as shown in the process tree below:

Boot
   wininit
      services
         svchost
            audiodg

On the Processes tab of "Task Manager", "audiodg.exe" process may be listed as:

Image Name                 Memory   Description
--------------------   ----------   -----------
audiodg.exe              18,760 K   Windows Audio Device Graph Isolation

Additional information about "audiodg.exe" process:

Command line:
   C:\Windows\System32\audiodg.exe

Programe file information:
   Name: audiodg.exe
   Location: C:\Windows\System32\audiodg.exe
   Description: Windows Audio Device Graph Isolation
   Version: 6.1.7600.16385
   Size: 125952 bytes
   Last modified: 6/14/2016 11:15:01 AM
   Company name: Microsoft Corporation

"audiodg.exe" process is not a virus. You should not terminate "audiodg.exe" process.

⇒ "msiexec.exe" Process on Windows 7

⇐ "UI0Detect.exe" Process on Windows 7

⇑ System Service Processes on Windows 7

⇑⇑ Windows 7 Processes Tutorials