vbshield.dll is a Vexira Guard Component
belonging to Vexira Antivirus
from Central Command, Inc.
Non-system processes like vbshield.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.