OK, it seems to work now. I went to www.robh.nl just to check to see if I was correct about XWisp2 only running under Linux. As usual, I was wrong, so I downloaded the executable and it programmed the 16F628 OK. The only problem was that I had to specify the target, as it did not auto-detect it. But that is no big problem. So that seems to solve the problem. Thanks, Bill -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist