um, the "You do not have permissions to access this page." where actually pictures. It, too, goes beyond my understand. they were previed fine when i inserted them in my question.

Not sure if I understand all the content of your message ^^ , but I wrote some time ago the following guide to help users remove the language switchers from a survey: www.limesurvey.org/manual/Multilingual_survey#Hints_.26_tips (for LS 3) .

Maybe the Uni IT team can create a template for you with the recommended changes from the above link?