An electronic apparatus includes a first assembly and a second assembly. The carriage includes a non-destructive inspection probe such as a meandering wave magnetometer probe or eddy current probe mounted on a slider, so that the probe may be moved along a radial axis, skew axis, axial axis, and rotation axis. An input 28 and a display screen 32 are mounted on the housing 12. Mechanisms are described that change methods for exception vector handling using a software fix. The direction of the selected portion of clients to the new version of the software is done in a manner that can be completely transparent to the clients.