iedriver.exe is a process associated with common peer-to-peer file sharing software. It is classified as a spyware and should be removed to ensure your personal privacy.
Non-system processes like iedriver.exe originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that over time your registry suffers fragmentation and accumulates invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues