What does HRESULT 0x88980006 (MILERR_DISPLAYSTATEINVALID) mean?

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: The display is not in a valid state for the Media Integration Layer operation.

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MILERR_SCREENACCESSDENIED	MILERR_NONINVERTIBLEMATRIX

MILERR_DISPLAYSTATEINVALID

MILERR_DISPLAYSTATEINVALID is a Windows Media Integration Layer (MIL) HRESULT. It indicates that the display configuration changed, is unavailable, or otherwise cannot support the requested rendering step.

Diagnostic discriminator: Correlate the failure with the display-topology generation. If recreating display-dependent resources after hot-plug, DPI, mode, sleep, or unlock makes the same content render, stale display state is the decisive evidence.

What to check for MILERR_DISPLAYSTATEINVALID

Check for monitor connection, resolution, DPI, sleep, lock, or display-mode changes around the failure.
Recreate display-dependent resources after a graphics-device or display configuration reset.
Delay the operation until the interactive display state becomes stable again.

Microsoft documentation about WPF hardware-accelerated rendering

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