I have made the PCB and programmed the pic programmer xprog 1.2 eldb.eu from the site. Taking the test hardware (with Device Programmer Desktop 4.2) the answer is positive and is recognized correctly, but when I try to program any chip (not connected physically to the programmer) I get this error message: "this program is not compatible with the hardware, Please contact the supplier of you. ". The program Device Programmer Desktop is installed on Windows 98. can someone help me