usmartsndmgr.dll is a uSmartSndMgr
belonging to uSmartSndMgr Dynamic Link Library
from InterVideo Digital Technology Corporation
Non-system processes like usmartsndmgr.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.