Recently i have downloaded the windows movie maker  (windows essential 12) then i started making edits to my video...when i save it,it crashes...sometimes when i add music , it crashes...i tried saving without adding music to my video ...it worked!! And  when i add music and save it, it crashes constantly.. I m irritated of this bug..i wanna add music to my video..i also tried repairing and reinstalling..but nothing... My friend also have the same system i have but it worked for him...pls help me