I have two WordPress sites on two different One.com servers. They work fine to surf to , BUT on either I can't update an existing page, or create a new one, after I upgraded to 3.9.1.
I have tried:
- Disabling all plugins.
- Repairing the DB.
- Using another theme.
- Using different browsers (Safari, Chrome, IE, Firefox).
- Downgrading to 3.9 and even 3.8.3.
What happens is that after I changed the text and press the "Update"-button the little round spinning icon appears next to the button and after a little while the screen goes white. Then I have to either arrow back or type in the url for the admin to get back to WordPress.
HOWEVER, once every 50 times it actually does update the page! And everything works like it is supposed to.