sawtools.dll is a LSTools
belonging to abylon protection manager (apm)
from abylonsoft - Dr. Thomas Klabunde
Non-system processes like sawtools.dll 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.