Ending the process does nothing. It's only on one of my users, and it's there on safe mode too.
Alright. If you can, download "Process Explorer". It's also called "procexp.exe", and it's by Microsoft, so it's safe. Again, if you can get it, run it and find out where the process is running from.
editedit: Right click the process in the list and click properties and find out.