jusched.exe is a process installed alongside Sun Microsystem's Java suite and checks for Java updates which involves usage of the Internet.
This program is important for the stable and secure running of your computer's Internet browsing and Java usage and should not be terminated.
Non-system processes like jusched.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