Hello! I download demo version of MPLAB-C17 from Microchip web site and install it. But I can not to try this version. I get this message: C:\MCC\BIN>c17demo.exe MPLAB-C17 v2.10 (demo) Copyright 1997, 1998 Microchip Technology Inc. Demo stamp not found.. What is a "demo stamp"? Anybody can help me? Michail