In this post, you’ll learn more about the Error FVE_E_PROTECTOR_NOT_FOUND – 0x80310033 that is returned when working with the COM-based APIs in Win32
Win32 COM Error
FVE_E_PROTECTOR_NOT_FOUND – 0x80310033
Win32 COM Error Error Description
The specified key protector was not found on the drive. Try another key protector.