Help! i have 6 qt projects with 2 erros. i have already posted one! the second one is: qt-underscore-metacast is not a member of qobject. the error is in qobject.h line 428, 543 the other error is qprivatesignal has not been declared! this is in qobject.h line 420 qprocess.h lines 229, 237, 243, 248 any help would be appreciated! sorry i have use my cell phone to post this.