[CLIENT] Game Freeze

When the game must start client was freezed. After five minutes game start in loading screen, we wait some time and the game starts, but champions don't spawn, minions don't spawn. After reconnect all back to normal.

I have 2 screenshots:

http://i.imgur.com/XVu39Cz.png

http://i.imgur.com/iSmoZso.png

Match was this: http://matchhistory.eune.leagueoflegends.com/en/#match-details/EUN1/1250248903/216045182