Dialog placeholder prompt - unable to sign in to iTunes account
So when I open iTunes (windows 10, x64) I get a pop up that contains simply "Dialog placeholder". The options given to me are ?, Create New Apple ID, Sign In and Cancel. There's no text field for me to enter login details. This is annoying. Any suggestions? Just uninstalled and reinstalled iTunes without success.Latest version of iTunes triggered this, never happened before I updated.
Windows 10