Solution -
Taskeng.exe is Windows Task Agent
aka Windows scheduler
Goto The Run Menu (Shortcut - Windows Logo + R)
type in: services.msc
Look For : Task Scheduler
Open it up and change from automatic to Disabled
Also make sure:
Run Menu
Type: msconfig
under services tab
Look for and uncheck Task Scheduler
Reboot, and no more taskeng.exe to lag up computer