Application exhibits failure under the same conditions when compiled with current Eiffel 6.4 release candidate. Installation information: Version = EiffelStudio 6 (6.4.7.9263 GPL Edition - windows) $ISE_EIFFEL = C:\Eiffel64 $ISE_LIBRARY = C:\Eiffel64 $ISE_PLATFORM = windows $ISE_C_COMPILER = msc