On Jan 12, 2008 8:22 AM, Bob Axtell wrote: > I just went thru all my MPLAB versions, testing the ICD2 as I went along. > MPLAB 7.40 seems to be the last stable version that will run an ICD2. > That's what I am using with ICD2 at the present time. > One of the OP's computer is running Vista and V7.4 is not certified to run under Vista. I believe V8.0x is the first version that MPLAB IDE is really tested against Vista 32bit. V7.6x may be ok but it is said that some users have to disable VDI. http://forum.microchip.com/tm.aspx?m=233933 Xiaofan -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist