Hey there, I have my computer for about 5 years now, the performance is pretty decent for my needs (I play d2, aoe2, league of legends and Warrock) but for some reason my computer keeps freezing for no reason. Like i am in the middle of a game and the image is stuck (can't move, not even mouse) and there will be a loop (half a second repeating over and over) of whatever sound was playing at this time in the game. Then after a while, it will resume like nothing happened. Sometimes it lasts a minute, sometime seconds. Sometimes it will do it multiple times in a night, sometimes it will pass 2-3 days without doing it.
These are my specs:

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Like a year ago, my graphic card went kaput so my friend gave me his cause he upgraded his for one that can run VR, so I am using his. I also bought new ram sticks (the one in the spec picture)
Any idea how to fix my computer/upgrade my computer so it spots freezing like this ?
Thanks a bunch!