BSOD mostly while playing DOTA2, error code 116

Hi! Since last saturday my computer has not been working as intended and dispite not being a complete novice, I've not been able to solve it. So now I look to you for help. I recieved a BSOD while playing DOTA2 last weekend, but didn't think much of it, tried restarting the computer again and I got as far as playing a couple of minutes again before having it go blue on me again. I...