Client won't launch after champ select

For the past couple of weeks, my game occasionally won't launch after champ select. The client is running when I check task manager, but never actually appears to be so. I usually tab out after champ select and do something else until the game starts, so when this bug happens I seldom realize the game actually started and that I didn't load in. I lost a good bit of LP due to remakes because of this. Has anyone else experienced this? The only solution I found is closing the game client from task manager and hitting "Reconnect" on the launcher. Though this only works, obviously, if the game hasn't already ended because of a remake.
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