BSOD from hal.dll & ntoskrnl.exe

hi i'm fairly new at fixing computer problems but i'll just get to it.
everytime i play league of legends, i would usually crash from game atleast once and get the bsod
i have blue screen viewer and it shows that the blue screens were caused by these two drivers


hal.dll and sometime ntoskrnl.exe

bug check code: 0x00000124

here are my specs
Processor: AMD Phenom(tm) II X6 1100t Processor 3.30 GHz
Installed memory (RAM): 4.00 GB
System type: 64-bit Operating System


if any information is needed let me know! :)