The ram oc might be playing a part for sure… but even with that disabled, back at stock 4800cl40… flight sim still froze at the menu.
Could have been a combination of things maybe? First it was ram oc, plus dx12 issues, plus running it as admin?
It just seems odd to me that i only get this with flight sim (and now occt lol).
Also, the freezes are not the same as what just happened with occt… that was an actual proper bsod… when the sim freezes, it doesn’t even do that, it literally just freezes and nothing responds until i shut power.
yeah I just noticed. Tbh I’m a little baffled, it could be mainboard related, maybe a seating issue, dirty contacts etc.
I’ve now seen 2 other posts with similar problems…1 said they fixed it by changing power supply, although theirs was pretty old, whereas mine is only 2.5 years. The other said that if he just leaves it when it’s frozen, after about 5 minutes, it comes back to life and the flight just carries on? 
Once this memory test has finished, I’ll take the pc outside and give it all a good clean and reseat ram and gpu. Don’t fancy adjusting the cpu again as i found that a bit more fiddly.
That’s interesting … try it and if it comes back do the full SFC /scannow routine, keep an eye on the HDD led
Pencil eraser on gpu and memory contacts might help … be gentle and wipe spotless afterwards, you don’t want the slots contaminated
If your temps are normal your CPU should be fine
Well, the memory test was saying no errors detected so far right up until it finished. It didn’t show a report when windows booted back up though, like it said it would.
Chkdsk, sfc and dism tests all show no issues.
Im still tempted to run that psu test once more, just to see if it was the ram that caused it to bsod and also rule out psu as the issue with sim freezing
Bsod after 1 minute with ram on stock
Try just one stick of RAM.
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1 minute 19 seconds… no errors detected though… I’m starting to think maybe it’s cpu though?
Test mem and cpu with OCCT not the psu test, with and without OC
I’ll do this now… I’m also wondering if my cpu undervolt might just be too much? It’s -0.100.
Now he says! 
Just run everything completely stock, then try. As the sim updates overtime, tweaks we once knew to work fine no longer do.
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Im setting it to -0.075 instead.
I know cpu test passed, as that’s the one i let run earlier, 30 mins, passed.
Now running memory test in occt, without oc.
If that passes, I’ll run psu again and hope the milder undervolt is enough to keep temps below 100 
Im still confused though, if it passes cpu test, passes gpu test, passes ram test, but then fails power test… surely that does indicate psu at fault?
If it had your undervolted cpu up to 96°C … I’d say it’s fine
But the tests are not finishing? It’s only on this test that i get bsod?
You did say OCCT said no problems found
I’ve heard of people Amazoning a bigger PSU and sending it back if it didn’t cure the problem but I would never suggest doing it.