Just another data point... I uninstalled my old copy of MPLAB and installed 8.0 yesterday. Result: all good! ICD2 runs, no anomalies noted yet. This is on an XP box. Obviously, ymmv. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist