the 9.80 is called=20 PICC_18_9_80_win.zip =20 when downloaded, and the 9.65 .exe installer is=20 HCPIC18-pro-9.65.exe If you don't need 9.70 specifically, you could download the newer 9.x from = microchip - they would run in PRO mode for 30-days. On Fri 24/05/13 12:26 PM , Matt Rhys-Roberts matt.rhys-roberts@envinsci.co.= uk sent: > > what is the reason you can't re-install 9.70 ? >=20 > I can't find the original installer file on the old machine, by any=20 > obvious name. Any idea what it might be called? >=20 > Thanks > Matt > --=20 >=20 > http://www.piclist.com/techref/piclist PIC/SX > FAQ & list archiveView/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist >=20 >=20 --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .