In this post, you’ll learn more about the Error ERROR_MONITOR_INVALID_SERIAL_NUMBER_MONDSC_BLOCK – 0xC0261006 that is returned when working with the COM-based APIs in Win32
Win32 COM Error
ERROR_MONITOR_INVALID_SERIAL_NUMBER_MONDSC_BLOCK – 0xC0261006
Win32 COM Error Error Description
Provided monitor descriptor block is either corrupted or does not contain monitor’s detailed serial number.