Application Navi.exe has performed an illegal operation and will be shut down. If the problem persists, contact the program vendor. Program: Navi.exe Exception: 0xC0000005 Address: FFFFCBC0

Rand McNally has amazingly improved their customer support. Call 800-333-0136. They will try to fix the problem or issue you RMA if your unit is still under warranty. Rand McNally has amazingly improved their customer support. Call 800-333-0136. They will try to fix the problem or issue you RMA if your unit is still under warranty.