PBE Lancher Bug

Hi Riot I Was W8 A Long Time To Get In PBE,And I Finaly Did.And Now I Downland The Lancher And It Not Want To Finish The Updading.In Pitcure You Can See How Is In Red Track Have (0 KBps) And It Was Just Staying On 61% Then I Try It Again And Then Whas Staying On 65% Then 69% And Now 63%.Riot What Is Wrong With Mine Lancher?