game will not boot up after launcher

i can start up the launcher but after i hit play it loads the green bar and then goes to the game output menu and its blank and when i click over to the launcher log this is the last this popped up on the list "
[00:23:52 INFO]: Deleting C:\Users\craft_000\AppData\Roaming\.minecraft\versions\1.10.2\1.10.2-natives-87225703911242"