If u had intel 13th or 14th CPU, then get the newest motherboard BIOS, and use the Intel default CPU profil. These CPU families suffers instability cause of enhanced CPU profiles (you can google it).
Edit: I can see at other post u have AMD CPU. Something causes system instability (wrong memory timings, clock, or wrong PBO settings).
WOW always was sensitive for every system instability.
my clocks are fine, thank you .
yea i have 5900x and a 6900xt.
i think it was because of the latest patch.
it has some sort of war on clients hidden addon .
edited :i just underclocked everything really hard and still get this
edited : A43D437A-7FCF-481A-99D3-0B00428BEE56
used eco mode 65w and downlocked ram from 3600 to 3000 still get this error now all the time during boot screen. i removed wtf cache interface and still no luck