There's something else amiss with your mount: a screw has been installed in every available screw hole. Typically, with a new boot and blade, a tech will first install a "temp" mount. Each blade will be installed with only four screws: two in the sole plate and two in the heel plate, installed in only the elongated slots, not the circular holes. This allows minor adjustment of the blade towards the inside or outside of the boot, but not towards the toe or heel. If further adjustments are needed, then only four old holes need to be plugged, and four new holes need to be drilled. Once you have established a satisfactory temp mount to your liking, then the tech will install additional screws to form a "permanent" mount.
In your instance, to move your blades, the tech will need to plug twelve holes in each boot! Either there's more to your story, or your tech is not competent.