1)With DP8.0 ,you have option to make use of change blocked tracking (right click on the VM->Config VM->Advanced->use and enable change block tracking)
2)To remove only one simple component->windows add/rem pgs-?modify-> unselect the component that you dont need and finish.
2)To remove only one simple component->windows add/rem pgs-?modify-> unselect the component that you dont need and finish.