Memory could not be written

[JakeGWJ]

So, when I tried to use linux guest in a windows 7 host, I got this error:
the instruction at 0x00000 referenced memory at 0x00000. the memory could not be written
(I can't insert image because I'm too new here aparently, anyway the log is below)
The log:

VBoxHardening.rar

(21.88 KiB) Downloaded 9 times

[scottgus1]

See Diagnosing VirtualBox Hardening Issues. Your exit code was 0xC00005