BSOD when playing League of Legends

Laptop that I am using is Samsung SF410
It's less than a year old, and I had kept getting unstable signs in the system before.
These days the computer can't go through a good one game in LoL without a BSOD.
Bluescreen pops up randomly, or whenever I alt+tab to the desktop.
I have tried reinstalling the game, updating nvidia drivers, and restoring the whole system to factory settings, but it was no use.

I have followed the method #2 instructions for BSOD threads, so here's the zipfile:


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