PC-MOS figured prominently in the lawsuit
Arizona Retail Systems, Inc.v. , Inc., where Arizona Retail Systems claimed violated
implied warranties on . The case is notable because argued that it had disclaimed the implied warranties via a license agreement on the software's
shrinkwrap licensing. The result of the case, which Arizona Retail Systems won, helped to establish US
legal precedent about the enforceability or otherwise of shrinkwrap licensing. ==References==