Weird characters in text after updating

I posted this one too fast...
Here are some screenshots
Not OK :

I can't fix this issue because everything is shown correctly when logged in. Hope you can help me out here.

Hi,

Please add the following code into Site Settings ==> HTML ==> Meta Tags in the Nicepage editor:

<meta charset="UTF-8">

Will it be helpful?
...................................................
Sincerely,
Paul C.
Nicepage Support Team

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Can I change the site settings through the Nicepage plugin or do I need to change it in the Theme in the Nice page applcation and upload the theme again?
I can't find the HTML / Meta tags in the plugin

Hi,

You cannot access the site settings because you are entering the Nicepage plugin as a client. Please log in to the main account in the plugin and let us know if it helps.
...................................................
Sincerely,
Paul C.
Nicepage Support Team

Please subscribe to our YouTube channel: http://youtube.com/nicepage?sub_confirmation=1
Follow us on Facebook: http://facebook.com/nicepageapp

Sorry for the late reply. The problem is solved by adding <meta charset> to the HTML site settings.
This case can be closed.Thank you for your assistance.

Hi,

You're welcome! Feel free to contact us if you need our further help.
...................................................
Sincerely,
Paul C.
Nicepage Support Team

Please subscribe to our YouTube channel: http://youtube.com/nicepage?sub_confirmation=1
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It seems that the problem isn't fixed for all the pages on the website.
This is what thr frontend looks like when logged in Nicepage

This is what customers are seeing when not logged in to niecpage