Hextech Repair tool wont install

So in the past few weeks my ping has been double the usually, sometimes even triple. I suspect that it's probably my ISP but from what I can see I'm not 100% sure. Decided to download the Hextech Repair tool to see if I could get a clear answer, turns out it doesn't even install. All I get is the standard windows installation menu saying "Gathering required information" and that's it, just closes and nothing boots from there. Disabled all firewalls/security, restarted multiple times, literally nothing. On the newest version of Windows 10, any ideas?
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