My lol launcher won't open 07/2018

I ve have just reinstalled lol, but when i finished playing and tried to open it again wont start. The LEAGUE OF LEGENDS title shows up for 2 seconds and then it disappears. I ve tried to force a repatch on the hextools and nothing. Pls send help {{item:3070}} {{item:3070}} {{item:3070}} {{item:3070}} {{item:3070}} {{item:3070}} English/Spanish ^^
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