Win32 COM Error – ERROR_GRAPHICS_OPM_SIGNALING_NOT_SUPPORTED – 0xC0262520

In this post, you’ll learn more about the Error ERROR_GRAPHICS_OPM_SIGNALING_NOT_SUPPORTED – 0xC0262520 that is returned when working with the COM-based APIs in Win32

Win32 COM Error

ERROR_GRAPHICS_OPM_SIGNALING_NOT_SUPPORTED – 0xC0262520

Win32 COM Error Error Description

The IOPMVideoOutput::COPPCompatibleGetInformation or IOPMVideoOutput::Configure method failed because the display driver does not support the OPM_GET_ACP_AND_CGMSA_SIGNALING and OPM_SET_ACP_AND_CGMSA_SIGNALING GUIDs.

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