What is the "firefox.exe" process on Windows 8? Is the "firefox.exe" process a virus? Can I terminate the "firefox.exe" process?

"firefox.exe - Firefox" process represents the Firefox Web browser you are running on the desktop.

"firefox.exe" process is created by "explorer.exe" when you launch Firefox.

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

Image Name  PID   Memory     Description

firefox.exe 3250  220,836 K  Firefox

Additional information about "firefox.exe" process:

Command line:
   "C:\Program Files\Mozilla Firefox\firefox.exe"
   
Started by: explorer.exe

Files used:
C:\Program Files\Mozilla Firefox
C:\Users\fyicenter\AppData\Local\Microsoft\Windows\Temporary Internet Files
C:\Users\fyicenter\AppData\Roaming\Mozilla\Firefox\Profiles
C:\Windows\Fonts
C:\Windows\System32\en-US\d2d1.dll.mui
C:\Windows\System32\en-US\wininet.dll.mui

Registry keys: 
HKCU\Software\Classes
HKCU\Software\Microsoft\Internet Explorer\Main
HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer
HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings
HKCU\Software\MozillaPlugins
HKCU\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings
HKLM\SOFTWARE\Microsoft\Internet Explorer\MAIN
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\FontSubstitutes
HKLM\SOFTWARE\MozillaPlugins
HKLM\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings
HKLM\SYSTEM\ControlSet001\Control\Nls
HKLM\SYSTEM\ControlSet001\Control\Session Manager
HKLM\SYSTEM\ControlSet001\services\WinSock2\Parameters\NameSpace_Catalog5
HKLM\SYSTEM\ControlSet001\services\WinSock2\Parameters\Protocol_Catalog9

"firefox.exe" process is not a virus. You should not terminate "firefox.exe" process. It will go away after you close "Firefox" browser.

⇒ "iexplore.exe" Process on Windows 8

⇐ "cmd.exe" Process on Windows 8

⇑ Application Program Processes on Windows 8

⇑⇑ Windows 8 Processes Tutorials