We are glad if you enjoy Mountain. Should you encounter any problem we will be pleased to help you. So please, do not hesitate to contact us.
In case you have migrated to our direct sales version you may disable the news window in the preferences.
Please follow the migration guide.
Please download Mountain again from the Mac App Store and run it as the different user at least once. Afterwards the direct sales version will run with no limitations. In other words you need to redo the migration for the different user. (For experts another option is to copy the contend of the folder ~/Library/Application Support/Mountain to the equivalent folder of the different user.)
In the dialog window that shows blocking applications, press and hold the option key. Buttons will appear "Force Quit".
Unmounting internal hard drives does not comply with apples sandboxing rules. Please migrate your Mac App Store version to our direct sales version. It will allow you to unmount internal drives.
Please try to enable "Eject whole drive when external media is unmounted" in the extended preferences.
Please try to enable "Eject whole drive when internal media is unmounted" in the extended preferences.
Most likely you have enabled "Show system volumes" in the general preferences.