Qt-DAB 6.25 has some issues with RTLSDR V4 vs V3. Yesterday Jan uploaded two test versions on his github page: setup-qt-dab32-6.25.exe runs well with V4 but not V3, setup-qt-dab32-6.V3.exe runs well with V3 but not V4. See the description on Jan’s page: NOTE ON RTLSDR DEVICESThe “new” RTLSDR V4 device requires a library that is…