roxwatch.exe is a process associated with Easy Media Creator suite from Roxio Inc..
It is used to "watch" certain folders for certain types of media like audio and video files. Disabling or enabling it is down to user preference.
Non-system processes like roxwatch.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