Hextech Repair tool absolutely NOT working

I downloaded the Hextech Repair tool, "Installed it" and then Uninstalled it and Installed it again, and NOTHING is happening. My game feels stupidly sluggish and I know its not my internet. What do I do?

We're testing a new feature that gives the option to view discussion comments in chronological order. Some testers have pointed out situations in which they feel a linear view could be helpful, so we'd like see how you guys make use of it.

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