can some one help me please its happen 5 times now i’m workin on a project in cubase 6 and a pop up window come up on sceen saying cubase has encountered a problem and needs to close, how do i stop this happening again,i have learnt cubase myself but not learnt how to put right when this happens.

In your signature if you put what Operating System, memory, processor etc.
Press the “Windows” key and “pause” together should give a Window showing these details.
Knowing this would give others a clue as to what is going on at your end.