Windows won't even boot up without freezing anymore this is the second time GGS made me have to reinstall windows. Original GG was way more stable
You can stop auto-start by holding a Shift key.
Also, I am pretty sure you read a warning about modded BIOS.
I would really like to help more, but there is only so much I can do with the limited information you gave me.
I do have modded bios on my RX 470s (1500 straps) is that the problem for all the freezing?