Found the answer. Thanks, Gail At 8:51 PM -0400 7/24/07, Gail Grainger wrote: >I have an old Treo 90, that I want to use on a laptop. My software >is OS9, on the CD, and when I try to download it from Palm, it tells >me that my serial number isn't valid. The left side of the barcode >and serial number has worn off, from synching on two different >computers. I am assuming that I am missing the first few digits from >the serial number. I tried copying the software, but that didn't >work. When I go to the Palm site, buying the software doesn't seem >to be an option. Does anyone have any advice? The laptop is running >10.4.10. >Thanks, >Gail Grainger