After an year I'd like to try one more time I have 2 warnings and 1 error VD43: Precompiled file is missing or unreadable. File 'c:\program files (x86)\eiffel software\eiffelstudio 6.2 gpl\precomp\spec\windows\EIFGENs\vision2\W_code\msc\driver.exe'. Warning code: VD43 Configuration error: precompiled file is missing or unreadable. What to do: make sure that the file exists, that appropriate permissions are set, and that the precompiled C code has been compiled. File: c:\program files (x86)\eiffel software\eiffelstudio 6.2 gpl\precomp\spec\windows\EIFGENs\vision2\W_code\msc\driver.exe VD83: Warning that a setting could not be changed. Warning code: VD83 Configuration warning: warning that a setting could not be changed. What to do: do not change this setting or recompile the project from scratch. Value of a setting could not be changed because the system is already compiled or uses a precompile: cls_compliant Old: false New: true VD00: General configuration parsing error. Error code: VD00 General configuration parsing error. What to do: fix the configuration file. Could not open file: c:\program files (x86)\eiffel software\eiffelstudio 6.2 gpl\library\gobo\gobo_time.ecf $ISE_LIBRARY\library\gobo\gobo_time.ecf Configuration: w:\eiffel\traffic_ev_1134\library\traffic_vision2.ecf