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Try a Print Preview - if that locks up for whatever reason, with the addition of the third graphic, the way the print jobs cause the program to hang up - and see whether the third graphic is basically wrong in one of the following ways:
1. the third graphic might be of the wrong file type. File types are JPG, JPEG, GIF, TIFF, PNG, and others. Some file types might not be compatible with this particular program version, etc.
2. too large, or with too many colors. Consider that some file types have a larger color spectrum than others, for instance GIF files generally have a lower number of colors possible to render with them. Putting a file with a large color palette into a context where all the colors have to be reduced to a simpler presentation, means processing overloads, and that processing overload could cause a program to apparently lock up (and it might be, that a patient wait of 5 minutes would let the program snap out of its apparent lock up, if it is really just a processing overload that will, eventually, come to an end.)