DXGI_ERROR_GRAPHICS_VIDPN_SOURCE_IN_USE

Fullscreen mode could not be achieved because the specified output was already in use.

Matched as: the code as given (hex)

HRESULT breakdown: code: 12, customer: False, facility: 122, severity: failure (bit 31 set), ntstatus_wrapped: False

Source: COM Error Codes (UI, Audio, DirectX, Codec) (Winerror.h) · CC BY 4.0 · wording unchanged, formatting adapted for this site · retrieved 2026-10-24