[PLEASE HELP] Freshly built computer Freezes weird conditions

Mar 6, 2018
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Hi guys, i'm really at the end of my rope right now ... I've struggled the past month to get enough money to build a decent gaming PC (student), i was happy and all, used pcpartpicker.com & some reddit help to check the compatiblity of the build that i was trying to make, but right now it's been problem after another, while i could solve the past ones, recently my computer started randomly freezing under some weird conditions that i've only noticed ( i can't freeze it at will, but it's always the same thing when it does ) :

It only freezes when i'm barely using Dofus 2.0 (an Adobe Air based game, not very demanding at all)

Video : https://www.youtube.com/watch?v=6e30KY496IA

Note that :

It doesn't freeze when i play triple A games for hours
It doesn't freeze when the computer is idle for 8+ hours
My Pc specs :

Windows 10 Enterprise 64 bits

Ryzen 5 1500x, i'm using the wraith spire that comes with it

8GB Ram DDR4 Corsair LPX Vengeance 3200mhz, i've capped it at 2933

Asrock AB350M Pro 4 Mobo

EVGA SSC 2.0 (double fan) GTX 1060 6GB

Seagate Barracuda HDD 1TB

Seasonic S12II non-modular 520W PSU

Thermaltake Versa H22 mid-tower case

Pcpartpicker list : https://pcpartpicker.com/list/qtgxYT

PS 1 : Absolutely NOTHING is 100% used when it freezes nor is overheating, and one time it froze with youtube playing, the image freezed but the sound continued playing.

PS 2 : When i say freeze, it freezes indefinitly, until i reset / force shutdown using the buttons on the case.

PS 3 : All of the components of my computer were bought completely new, straight out of their boxes

Things i've tried :

Uninstalling drivers & reinstalling the latest versions
Disabling hardware acceleration
Uninstalling Adobe flash player
Checking that everything is plugged right in the motherboard / PSU
Updated Mobo's Bios
Formating Windows 8.1 and then switching to Windows 10
Updating Windows
Reinstalling The Game ( Dofus 2.0 )


Things i can't do :

Replacing anything (PSU, MOBO, RAM, etc...) i don't have money right now and nothing's cheap / easy to buy where i'm from, so please tell me it's a software issue (not telling you to lie, just hoping for the best ...) It'd be very appreciated if you help me, thank's in advance.