nvsvc32.exe is a process that belongs to the NVIDIA graphics card drivers. This process should not be removed to ensure that your graphics card drivers is working properly.
Non-system processes like nvsvc32.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