w3dbsmgr.exe is the Database Service Manager for Pervasive SQL. It is a vital part of Pervasive SQL and should not be terminated while using this database.
Non-system processes like w3dbsmgr.exe originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that over time your registry suffers fragmentation and accumulates invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues