usnsvc.exe task purpose and description:

Usnsvc.exe is a program file which may have been installed on your computer by yourself. The exact disk location is also shown below to verfiy it is not spyware, as many spyware programs use similiar names and just locate them elsewhere on your hard drive. The main purpose of this is to work with MSN messenger, and if you have recently installed MSN messenger or upgraded it, the usnsvc.exe program may not appear in your tasklist. This will not be in your startup list but will be in your tasklist as a running process. This goes by the name MSN messenger sharing USN journal reader service. This is not considered to be spyware or adware related. Windows Live Messenger will not run without this file. (See the details below for the actual location of this file.)

Actual process or task name: (You can view alphabetical task list here)
usnsvc.exe

File type:
This is an executable program.

Where is this file and folder located on my computer?
This will be located at C:\Program Files\MSN Messenger\usnsvc.exe

General information:
Be aware that many tasks will be similiar names to existing tasks or processes. You can always view the running tasks on your computer by pressing ctrl-alt-del to view the windows "task manager", and then view the "processes" tab. This will show you all tasks running or currently active on your PC. Although this shows you all running tasks, it does not show dll file thats are loaded, as they get loaded as part of other processes. Many spyware writers attempt to hide their files on your computer, for example, usnsvc.exe may be intentionally misspelled to look like a similiar task, or spyware may be named very similiar to a Windows system task. The reason they do this is so you cannot easily recognize the name in your tasklist as I have mentioned above. Make sure always check the location of the file if you are concerned. You can always find the location of usnsvc.exe on your computer by using your Windows search options, but I will also try to list the file location of every file described on this website, so you can verify the correct location. You can view the entire tasklist directory with the link below.

View entire task list here!