Starting a virtual device fails with "VBoxHeadless.exe - Application Error. [...] The memory could not be read."

Starting a virtual device fails with "VBoxHeadless.exe - Application Error. [...] The memory could not be read."

On Windows, this error is typical with laptops with 2 GPUs.

A low-profile integrated GPU provides low performance. A high-profile discrete GPU provides the needed performance.

To fix this, force Windows to use the AMD/NVIDIA high-profile discrete GPU by default.

Follow the instructions from this article:

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