The Collaborative International Dictionary of English v.0.48:

Misguidance \Mis*guid"ance\, n.
   Wrong guidance.
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

34 Moby Thesaurus words for "misguidance":
   bad policy, bum steer, college of Laputa, corruption, impolicy,
   inexpedience, inexpediency, maladministration, malfeasance,
   malpractice, misadministration, misconduct, misdirection,
   misfeasance, misgovernment, mishandling, misinformation,
   misinstruction, misknowledge, misleading, mismanagement, misrule,
   misteaching, mystification, neglect, negligence, nonfeasance,
   obfuscation, obscurantism, obscuration, omission, perversion,
   sophistry, wrongdoing