I am using Qt 5.9.3 version with PostgreSQL 9.4 . Whenever I am trying to connect to my postgres database it is showing as QPSQL database driver not loaded. I have gone through previous threads on this topic and have included libeay32.dll, libintl-8.dll, libpq.dll and ssleay32.dll into my mingw bin but nothing seems to be working out. Please help me out in this regard.