I cant launch minecraft 1.8

So, yesterday my minecraft crashed while playing a minigame, I wanted to login back in but it reboots me to the launcher when i try to launch 1.8 back, i tried restarting the launcher but it still crashes, i restarted my computer and still didnt work, i uninstalled the launcher then installed it again but it still crashes when i try to launch minecraft 1.8. 

 

The crash notification says like this:

 

                                                         *     *ERROR

                                                       Game Crashed

an unexpected issue occured and the game has crashed. We're sorry for the inconvenience

                                                           Exit code: 0**