sdsystemtray.exe is a Spyware Detector Tray File
from Max Secure Software
belonging to SpywareDetector
. It is used to protect your computer from spyware and adware.
Non-system processes like sdsystemtray.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