1) . Have you tried running the software as administrator ? If u didn't first do this . ------------------------------------------------ 3. Windows configuration to fix chedot.exe crashes 1. right click my computer from your desktop and select properties. 2. from left menu select " Advanced system settings" 3. under performance click settings button. 4. click "data Execution prevention" tab. 5. select " Turn on DEP for all programs and services ...." option. 6. click add button and select chedot.exe file then click open button. 7. click ok button. and restart you computer.