What is sjhandsettigerjet.dll doing on my computer?
sjhandsettigerjet.dll is a magicJack Device Driver
belonging to magicJack Device Driver
from magicJack L.P.
Non-system processes like sjhandsettigerjet.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.