The utilties used to generate locking codes used by license keys will be in an incorrect format on certain operating systems.
A correctly generated locking code should be in the format 08-XXXXXX where X is a hexadecimal number.
Examples of incorrectly generated locking codes are:
8-*14P 7D3D S41T 3BA8
Use the attached HPechoid utility to consistently obtain the correct locking code.
HPechoid v1.0 [Download]
This utility requires Microsoft Visual C++ 2010 SP1 Redistributable Package (x86) to be installed. [HP Download]