phanpro

@henningaa Vielen Dank!

Ja, ich hatte es zun?chst mehrfach versucht, aber immer mit dem gleichen Ergebnis (wie oben). Dann wollte ich warten, ob hier jemand antwortet. In der Zwischenzeit kam eine Mail von einer anderen Webseite, die ich verwalte, wo Advanced Ads mit automatischer Aktualisierung l?uft – und da hat es funktioniert. Daraufhin habe ich es nochmal bei der anderen Seite versucht, und dann ging es. Keine Ahnung, was da war. Diese Fehlermeldung ist mir noch nie begegnet.

Will do, and thanks a lot!

Yes, integrated into the browser. It has a function to fill in formulars automatically. I switched this function off and now it works.

No, it was the other way around – but I think I’ve found the reason: it seems to have been caused by the password manager forcefully trying to overwrite the username. Still I don’t get why it didn’t affect the original version websites of WordPress, but all the other versions.

@threadi Okay, one additional thing I just found out. The only remarkable difference I have between the working websites and those who don’t is the fact that the working websites are using the original WordPress installation, all the others are different language versions: German, British English, Japanese, Portuguese, French.

@threadi Again: Sorry, no. I deactivated all plugins, nothing changed. But what I saw as an additional fact:

When I as admin go on the user profile list I see the users listed by their username, so they still seem to exist. But when I click on the username to edit it, for a split second you can see the real username in the according field (with the remark “username can’t be changed” next to it), before it is changed to the admin’s user name. I think that is way every time I try to leave the page it shows “changed have not been saved”. Something is forcing an (impossible) change of the username, but the change can’t be saved. What can force a temporary overwrite on a username? I tried to re-install the latest version of WordPress, but that didn’t change andything. In addition there is ONE of my websites that doesn’t have this problem and I don’t know why.

@threadi Sorry, no. Did this on different browsers and in addition: When I logged in with the new created user account, the username was also changed to the admin’s user name.

And in Addition: It also does no longer create the thumbnails for a new channel in the list. It seemed to have completely stopped working with thumbnails.