rshwdb.dll is a RSHWDB
belonging to Rockwell Software RSLinx Enterprise
from Rockwell Automation
Non-system processes like rshwdb.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.