Never had an issue with my firewall or needing to turn it off before and all the sudden after a game ends I cant get to the score menu after game and everytime I try to reconnect it gives me a message about my firewall when it never has before lol; LoL.
fix
same
Yea i am getting the same exact issue here game just freezing on a black screen sharing to try to reconnect. At least let us get back to the home page...SMH
This makes me more sad then Amumu 
Same here. It's a known issue.
http://boards.na.leagueoflegends.com/en/c/help-support/gTWoNHAL-what-the-hell-is-this-firewall-error-after-champ-select-why-cant-i-connect-to-the-game post there about it the official thread
