I ended up doing a fresh windows install on my entire system because i thought it was a corrupt startup file or something. After that point it made it a bit easier to narrow down aha
I had a shut down issue that i traced back to a bad ram stick that had failed all of the sudden during a case swap.
I would start there as its pretty easy to identify with memory test and/or simply unplugging a module if you have 2 or more.
Office Chairs > Racing/Gaming Chairs always.
But the price really does match, your back will thank you though if your on it for any extended amount of time.