System getting unresponsive randomly

[Dank-Foss]

also, this is being continued from this issue

MCE lead to my system breaking after an upgrade

This my first post so if i am posting this in the wrong place or doing anything else wrong, pls let me know. So here is what happened, I got a PC assembled (i5 10400F, Gigabyte H410M S2 V3 rev 1.0 mobo, 8GB ram, nvidia gt 710 with the stock cooling that comes with the processor) and I tried installing endeavour through the online mode (plasma) and it worked once but it made my system laggy (edit: when i say laggy, i mean that my system either laggs like hell or it becomes unresponsive), firefox …