Try download the launcher installer from http://stackideas.com/dashboard then install again from your backend.

If the issue still persists, can you provide us with your Joomla backend and FTP access so we can better have a look?

I added the credentials to access on my backend.
Best regards

i've checked in your site, it seems work fine, you can check my attached screenshot below.

If some of the page language string is not get translated , can you directly provide us with these post link so we can help you fix this quickly?