Windows 10 BSOD WHEAA_UNCORRECTABLE when playing embedded videos

I now tested each stick individually in slot 0.

Stick A I ran overnight and in the morning I got an error. It said something like 9 passes 6 errors.

Stick B I ran for 6 hours yesterday afternoon and I got 6 passes (edit: rereading, you said it needs 8 passes, my fuzzy memory thought it was 6, so I will run again), no errors. But when I use just Stick B in slot 0, I still get a BSOD doing the same activities as before (playing embedded videos and certain video game launchers).

So, I will be testing each stick individually in each slot unless you advise me to do otherwise.

Then it is on to tests 3 and 4.

My thoughts so far:

• Testing stick A did throw an error, so that RAM is bad (?)
• Stick B has no errors, but I still get a BSOD - so I need to continue the other tests (3 and 4)
• I'm beginning to feel that my MOBO is bad

I now tested each stick individually in slot 0.

Stick A I ran overnight and in the morning I got an error. It said something like 9 passes 6 errors.

Stick B I ran for 8 hours last night and I got 13 passes, no errors. But when I use just Stick B in slot 0, I still get a BSOD doing the same activities as before (playing embedded videos and certain video game launchers).

Yes, sir, I will keep plowing ahead.

I finished testing each stick by itself in each slot.

Stick A:
Slot 0 error
Slot 1 error
Slot 2 pass
Slot 3 error

Stick B:
Slot 0 pass
Slot 1 pass
Slot 2 pass
Slot 3 pass

Yeah, I have no idea what I'm talking about.

I was relieved when stick B didn't error out, so I booted the computer with just the one stick and still got the same BSOD.

I was just confused when Stick B doesn't error out at all, yet, it still BSOD.

Shall I move on to the other tests now?