client bug

i dont good at English. but i getting annoy by bug. when i try to save the rune. but it doesnt let me save it and sometimes i did changed runes. then i got in the game and runes was switched automatic i was play as ekko and i put election on him but in game rune switched to glacial automatic. lucky i won this game. another bug when game launcher and then frozen and i have to restart my new computer. i was hoping they able early ff. but they couldnt ff. i found out my friends have this same problem. i hope you fix this. i already lose 40 lp in ranked game because of this problem.