SiS Keyboard Daemon. System Tray utility which installed by the drivers of SiS (Silicon Integrated Systems) VGA cards. Can cause the errors at startup. It's not required. The reference to KHooker.exe places into the Startup folder.
Some trojan finder program found KHOOKER.EXE as the trojan. Use antivirus (also check How To Remove section)Startup Opimizer for removal.