As far as I know, memtest can show errors if the scan is repeated over and over without this implying that are actually errors in the stick.

Memtest is separated in four stages or something like it that are repeated in an endless loop, so, if the first test using all stages don't show errors is more likely that no failure in ram is present.

There is an error regarding to ntoskrnl.exe that says:

"Windows NT could not start because the following file is missing or corrupt:

Winnt_root\System32\Ntoskrnl.exe"

Source

But that ain't a BSoD error, just a black page without any dump, that's why I asked for more details



Regards