livecall.exe is a Live Call Module
from Microsoft Corporation
belonging to Windows Live Call
. This is a tele-conferencing tool bundled with Live Messenger.
Non-system processes like livecall.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