I have got this error message in TEXT mode installation (at the beggining in the installation progress screen): *** db3 db->get rc -1 Invalid argument the installation process then continue normally. I can reproduce this bug in live system by command: rpm --rebulddb also I was not be able to install any package prior this 'sanity check' after fresh installation of Winston-beta1 (custom installation without any changes in selected packages).
*** This bug has been marked as a duplicate of 11884 ***