What is expressionengine.dll doing on my computer?
expressionengine.dll is a Expressiion Engine
belonging to Feature Data Objects
from Open Source Geospatial Foundation
Non-system processes like expressionengine.dll originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that your registry has suffered fragmentation and accumulated invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues.