I'm using MPLAP 3.31, Pictart plus (firmware 1.2) and NT4.0. I still have problems with the communication between MPLAB and the picstart programmer. I have tried, as discribed from microchip, to use the new version of the mpplus.dll, and disable the use of the fifo. No result. Any help available? Regards Ruediger /----------------------------------------------/ / Ruediger Heuermann / / Universitaet Oldenburg / / Fachbereich Physik / / Postfach 2503 / / D-26111 Oldenburg / / Germany / / Tel. +49 441 798 3518 Fax +49 441 798 3201 / /----------------------------------------------/