Stogram doesn't login anymore in version 1.6.3.675 OSX

after update to version 1.6.3.675 Stogram can't login anymore with correct user/password of instagram account. Using Mavericks 10.9.4 with latest software uodates and latest itunes on it.
Even tried with sudo by terminal and the uotput was:

Unable to create single instance.
QDir::mkpath: Empty or null file name
qrc:/qml/mainview.qml:934:17: QML ListView: Binding loop detected for property "height"
could not retrieve system CA certificates

"CA Certificates" ? what is that?

Please fix ASAP i need to use your software!!!