I usually 1) update the environment variables (PATH, QTDIR), 2) change to the appropriate build in VS (Tools->Options->Qt), 3) restart VS and then 3) re-open the solution from the .pro file. This all just to avoid complications when switching from Qt build to another.
Did that but nothing still the same the QT libs are inclided but when linking he doesn't find them I guess didn't find anything on the net...I'm looking for more than 2 days now...