> I am facing problem while compiling
> WinHTTrackIEBar.

First, httrack was natively compiled with Visual Studio 2003, this may explain
the differences you are experiencing.

> FilesWinHTTracksrc_winWinHTTrackIEBarprojectInfo
> .h(34) : error C2660: 'ProcessWindowMessage' :
> function does not take 5 parameters
> _com_util::ConvertBSTRToString(unsigned short *)"

Add comsuppw.lib to the list of libraries.