Problems with Profile and Remote Administration

In the extensions / plugins menu.
You must click the "ordering" arrow before you can change the order manually.

If I suggest this to you, it is because in the past it resolved certain conflicts ...
I'm not sure this will solve your problem, but it's something you want to try.
I don't know what your problem is actually ...

I tried that and it does not work.

Ok here again a detailed description:
I am allowing my user to view the details of their avatar on the website using this menu link: index.php?option=com_opensim&view=inworld&layout=default.display

This shows a page with several tabs: Settiings, Messages, Profile, Groups, Money.

By default the first tab (settings) is shown. When a user now clicks one of the other tabs, the view changes to that tab. However, now the user is not able to switch to another tab anymore. The view is stuck on the tab he clicked after visiting the page.

Rg

SilverDay

Yes, I understood your problem correctly, it is very similar to that of Marcus.
I had hoped for you that changing the order of the plugins would have helped a bit but apparently not.
Have you tried to deactivate the slide show you are using as a header, it may be a conflict with it.
Have you tried with another template too, the goal is to eliminate things in order to determine the cause of the problem.
And finally have you tried with a new installation of joomla, without any additional template, without any component other than jOpenSim, without any other module and without any plugin other than those of joomla by default.