Hewlett-Packard (HP) is facing a potential public relations challenge as it considers pursuing $4 billion from the estate of Mike Lynch, the late co-founder of Autonomy. The legal issues stem from HP's acquisition of Autonomy, which has been fraught with controversy and accusations of fraud. Despite Lynch's recent death, HP has not ruled out the possibility of seeking the substantial amount from his estate. This decision involves weighing the financial recovery against potential reputational damage and shareholder concerns.