Unlocking eternity

It was a delicate job. Changing a PICA's safety protocol, programmed to shut any given PICA down after maximum of ten days of use, to allow it continued operation for weeks, or even years at a time required all the expertise, cunning and creativity the engineer could muster.
He succeeded at last. He turned Nimue Alban's PICA into a machine unlocking unforseen possibilities - even a kind of immortality.
But as with everything new and unforseen, there was a price to be paid.
"By unlocking the safety protocol, I've had to deactivate the high-speed data interface," the engineer told his friends.