Perhaps you have a truly ancient eDGe from before there was an update app (i.e., like from early last summer, or late spring).

In that case, read and follow the instructions in the last paragraph on this page: https://www.entourageedge.com/suppor...barticleid=207 (i.e., the paragraph starting with "If you have a full-size enTourage eDGe with an older software release").