Problem whit hack

Before I hack a lot and all hack work then I stoped and delete stuff for hack now I go hack and 1 time cross close 1 time I am in game (I think whit hack) and come some error "Cant read... 000000000x0... " no 1 hack work for me please help before all work what I need for hack?? DirectX NetFramework I have only this

w7 32bit ...