> I'm using QtCreator 1.2.1 to debug Qt 4.5.2 applications. I compile with a > non-official MinGW release named MinGW TDB, to have gcc 4.3 (I need SSE > support which is not really usable with gcc 3). Try 4.4, which IS officially supported. If that doesn't work, come back and we'll talk some more. /s/ Adam