In this post, you’ll learn more about the Error FVE_E_SHADOW_COPY_PRESENT – 0x803100BD that is returned when working with the COM-based APIs in Win32
Win32 COM Error
FVE_E_SHADOW_COPY_PRESENT – 0x803100BD
Win32 COM Error Error Description
BitLocker cannot be enabled on the volume because it contains a Volume Shadow Copy. Remove all Volume Shadow Copies before encrypting the volume.