I have FPS drops every few minutes, how do I get rid of this curse?

Every few minutes I get REALLY BAD framerate drops and its ticking me off, i'ts gotten so bad that i even have to back away and wait for them to pass, it's like Lol is having a seizure and i'm not having any fun at all, its a curse. It all started after the win10 anniversary update, its been far too long for me to revert it. The first drop starts at around 3-4 minutes in the game and it lasts for ~10 seconds. When i try to type a message i notice my keyboard has a 1 second delay, when I try to look at the scoreboard its stuck for a long time, its like my keyboard inputs are unresponsive, when I try to use abilities they lag too, then they all get used at once. I know its not my internet because my ping averages at 70ms I downloaded all the latest drivers My pc is clean from all junk I defragment my hard drive once a week I always have the latest drivers I literally tried every single guide and I read almost every thread about this, none of them helped. I tried manually downloading the latest nvidia driver and it ´treated´ the problem so its not as bad, but still bad. Now my audio is all choppy and ear-tortury. Here are my specs: Processor - Intel(R) Pentium(R) CPU G4400 @ 3.30GHz Graphics card - NVIDIA GeForce GTX 1050 ti Ram - 8GB
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