ok, o código de erro 0xc000007b significa que a DLL era uma arquitetura de CPU incorreta, portanto, obtenha a correta:
C:\Users\André>err 0xc000007b
# for hex 0xc000007b / decimal -1073741701
STATUS_INVALID_IMAGE_FORMAT ntstatus.h
# {Bad Image}
# %hs is either not designed to run on Windows or it contains
# an error. Try installing the program again using the
# original installation media or contact your system
# administrator or the software vendor for support.
# as an HRESULT: Severity: FAILURE (1), FACILITY_NULL (0x0), Code 0x7b
# for hex 0x7b / decimal 123
ERROR_INVALID_NAME winerror.h
# The filename, directory name, or volume label syntax is
# incorrect.
# 2 matches found for "0xc000007b"