EXIT INSTEAD

WATH THIS MEAN??I MAKE FULL REPAIR,I MAKE REINSTALL,UPDATE SAME SH!!!That happens WHEN I WANT TO BAN A CHAMP OR WHEN I WANT TO CHOSE MY CHAMP THE CLIENT BLOCK AND I CAN'T DO NOTHING AND NOW I'M BANNED 30 MIN SOON 100000 YEAR'S.Can anyone tell me what to do