BEX error on armcc.exe of mdk472a.exe I am using MDK version 4 and nrf51 sdk version 4. 1. When i run keil compiler their was always error of "ARM cc compiler stopped working" 2. detail of that error shows BEX error on armcc.exe file 3. My operating system is windows 7 4. I have tried all options on internet but it didn't work. 5. I have reinstalled, run armcc.exe as administrater, cleared windows registry value of keil and agin installed but it did not work. 6. I upgraded mdk version to 5 but it did not add nordiac library. Please answer me, it is argent.Thanks.