Every game lags at 6 min or 10 min

In last patch and this on every game I start it going very well my fps is abot 50 to 60 and after last patch and this on I am getting lags in 6 to 7 min or 10 to 11 min in the game at that moments game becomes literally unplayable game drops at 0 fps or 10 fps after that minute game gets to normal but i get fps drops how do i repair this I seen other players writting in chat while i am in game to get lags but it doesn't lag to everyone
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