Game crashing

https://mail.google.com/mail/u/0/?ui=2&ik=9b8efad119&view=fimg&th=14c25e0674aa9705&attid=0.1&disp=inline&safe=1&attbid=ANGjdJ95rndObD4Tp8t8O3ZvQjIW_fRiQSVVafiXVx99Uxlxb0QIeNHjo019cs-MdxVTfUV5mhih8ptoyw88z3C69NRm_8Yy3s5mVE0pAAaHBFlx0zhJ767zVbT10FU&ats=1426564697098&rm=14c25e0674aa9705&zw&sz=w1342-h557

https://mail.google.com/mail/u/0/?ui=2&ik=9b8efad119&view=fimg&th=14c25db9b14ce569&attid=0.1&disp=inline&safe=1&attbid=ANGjdJ-l_rTlXdBa8nlX6JnYnrDmUbHidU2rZnuHKhjF3IdMpQn2be52zCtJAW941xmu-r2L9H-ffLX15wV2H4LjW6BJcvldRGWzkNBchTVhae-T0SdFxmwozTWraZE&ats=1426564818704&rm=14c25db9b14ce569&zw&sz=w1342-h557

This has happened to me twice ... TWICE! its annoying! what is this! Goes to the black screen as i was loading into the match, If i'm getting leaver buster... Literally WTF! if i get leaver buster when this over , I'm Quiting League , Its Fuckin Annoying