partseal.exe is a System Back-Up Software found on Sony Vaio PCs. It is a non-essential process and can be disabled or enabled according to user preference.
Non-system processes like partseal.exe 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