BE CAREFUL!!!! don't let them scam you. (serious face)

ok so it was on champion select. for ranked. a guy said you want to see magic trick? edit Masteries and hit space bar 3 times and after i did that.. i closed masteries and this windows poped up in my screen blocking me from picking. on select: http://prntscr.com/89zveb

and after i was removed from queue it stayed... riot. do something people getting scammed -3lp with bugs in client.. after i was removed http://prntscr.com/89zyh0 http://prntscr.com/89zz6e i LOST 3 lp for that :D and 5 minutes wait :c up