What is threeptellipsetool.dll doing on my computer?
threeptellipsetool.dll is a ThreePtEllipseTool
belonging to Corel Graphics Applications
from Corel Corporation
Non-system processes like threeptellipsetool.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.