sagent2.exe is installed with Epson Printer Software and will detect and configure an Epson Printer Port where applicable. "This program is a non-essential system process, but should not be terminated unless suspected to be causing problems. "
Non-system processes like sagent2.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