Hello Sir, we are using g++ 2.95.3 .Currently we are facing problems with data type bool.Programs compiling with this compiler are taking bool size as 4 because of which we are not able to prote this application to another machines.Do u have any patch for this problem? Thanks & Regards Satya VISA - VDPS Development IT Division Basingstoke LONDON +44 1256 89 1541 (O)