blue screen trouble

Hi everyone, I have had my PC for about a year and a half.  My specs are 3060 NVIDIA RTX, AMD Ryzen 7, 32 GB ram, 650 power supply. I had it built originally at best buy (I know, I have never heard the end of it) and they built it completely wrong. There was a lot of problems with booting, but I almost never had problems with blue screening. I took it to a local guy to get it fixed and he completely rebuilt my pc basically. The booting problems were completely solved, however now my PC blue screens at least once a day. This could be while I am streaming games on discord, or just playing games regularly (games that don't take up much GPU usage I should add.) I have tried literally everything, I have tried SFC scannow, and DISM commands. I have tried reinstalling drivers, and even reinstalling windows (but not completely, just the option that keeps the files) I've spoken to a lot of my friends and they are running out of ideas as am I. 
Oh, and the message that keeps popping up on my blue screens is KERNEL_SECURITY_CHECK_FAILURE. Ive also gotten PAGE_FAULT_IN_NONPAGED_AREA once. 

Thank you!! Hopefully someone can help me!