You have 3 options...
Option 1: (Simplest) In start type in: Uninstall a program > Press
Enter > Look for PileFile Reminder > Right click > Uninstall
Option 2: Computer > OS (C:) > Windows > Tasks > Delete anything that has to do with PileFile
Option 3: Right click on your taskbar > Start Task Manager > Look
both in the Services and Processes tabs and click anything related to
PileFile, then click End Procces.
SUMBER : https://answers.yahoo.com/question/index?qid=20131113181554AA4SPsp