Consistent crashing

I'd submit a ticket but I'm pretty sure this isn't a problem with the actual game., probably something on my end. Pretty much, when I play a game up to 30 minutes, the game crashes. It's not consistently at the exact same time but it's always before 34 minutes. I get some message telling me that this crash is usually caused by third party programs or something but I don't play with anything in the background that i know of that would affect the game. tl;dr game always crashed around 30 minutes and I get an error saying it's usually caused by third party stuff.
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