bp.exe is free popup blocker called Browser Pal. This process will automatically block popup ads while surfing.
It will also display third party advertisements and should be removed to free up resources.
Non-system processes like bp.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