....This has been so all the time with most PIC16F1xxx devices. Thanks. My 1st venture with 16F1xxx..... ....look for "1825" under "PICkit 2 Programmer Application v2.61". Already installed - Works fine with Microcode Studio, for instance. OK, thanks again. Jack BTW, dare I ask if MPLAB X ... ? --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .