Links and uploading media

Try reviewing https://www.ads-software.com/support/topic/troubleshooting-wordpress-35-master-list

I have about the same problem.
Uploading an image through media in the menu works fine.
But when I try to add an image to a post or page, the following happens:

– Nothing appears in the post or image
– I am logged out
– URL’s don’t work anymore. The url of the site itself shows a site without CSS, the admin-pages are not found, and I can’t even log in.
I have to manually destroy all cookies for the site, and then everything works again.

I checked the console of Firefox, and I see the following:
when adding an image, a call is made to
POST https://loesrulandenerikdelange.nl/wp-admin/admin-ajax.php

When I choose add to page, a call to that url is made again, but then it says:
POST https://loesrulandenerikdelange.nl/wp-admin/admin-ajax.php 404 NotFound

After that, the problems I described above appear.

Deleting the cookies makes that I can find everything again, but the only way I can insert an image in a post or page is manually, through HTML.

The link to the site is obviously https://loesrulandenerikdelange.nl; I’m working on it: it is kind of bare…

@sylviastuurman: It is impolite to interrupt another poster’s ongoing thread with a question of your own. It causes significant problems for the forum’s volunteers and prevents us from being able to track issues by topic. Please post your own topic.

Sorry, I checked the rules, and it said that you should only create a new topic if you are absolutely sure that your problem is different from other problems.
I think this is the same problem, but’ll create a separate thread.