Problem: ppt 2003 presentation graphics screw up

We have series of presentations created in powerpoint 2003 when some staff open the presentation the graphics and text (only when incased in a textbox) become misaligned.

we have had problems with office 2003 and roaming profiles before, but the previous technician has left and we have no idea what they did to resolve it.

Has anyone had similar or heard of similar problems and therefore know of a fix?