On 01/06/2011 06:29, Sean Breheny wrote: > Hi Oli, > > When you use MPLAB 8.7, are you also using an ICD3 there? In other > words, it sounds from your description like the problem is not with > the ICD3 but with MPLABX. Do you agree? Yes, I agree - that's what I was trying to say (badly) I wasn't trying to suggest that the ICD3 was at fault. IME the ICD3 has always been very nice to use with MPLAB so I am=20 assuming the issue is indeed with MPLABX. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .