That, of course, exactly what you would expect from a not *fully compatible* program. Works on some and not on others Naturally I have tried reinstalling and have also tried installing version 7 which exhibits the same symptoms __________________________________________ David C Brown 43 Bings Road Whaley Bridge High Peak Phone: 01663 733236 Derbyshire eMail: dcb.home@gmail.com SK23 7ND web: www.bings-knowle.co.uk/dcb *Sent from my etch-a-sketch* On 4 January 2018 at 12:59, Nicola Perotto wrote: > > > On 04/01/2018 13:19, David C Brown wrote: > > I have tested the same set up on a desktop machine running Win7 and it > > fails in exactly the same way. > > I have also tested it with the shortest possible cable - less than 5cm= - > > and still get the failure so I doubt that cross-talk is the problem.d > > The logical conclusion is that, whatever Microchip say, MPLAP8.92 is n= ot > > fully compatible with Win7. > I use (often) MPLab 8.92 with Win7 and ICD2/3 and PicKit 2/3 without any > problem. > You can try the informatics solution: uninstall then reinstall! > N > > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=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 .