mageia 3 rc hangs on middle now n then ////

[nilguy]

mageia 3 kde suddenly hangs on n couldn't access keyboard n touchpad in dell inspiron laptop ......with mageia 2 i didnt had any problm ,second thing while coping or moving files from usb or intenal ntfs windows to ext drive it also hangs up n while simple option lik deleting files in ntfs partition not working show some kind of error while in mageia2 i didnt had any problm?