Failed to initialize plugin: ips Failed to initialize plugin: ips

It could be a must-use plugin, which do not appear in the plugins list. Via FTP or your hosting file manager, rename the “mu-plugins” folder (in wp-content) to deactivate any such plugins. If there is no such folder, you don’t have must-use plugins.

If that’s not it, there’s some errant code embedded in WP core that shouldn’t be there. Try reinstalling WP if you are up to date, or updating to the latest if not. On the updates admin screen, the button will either read “re-install now” or “update now” (or the French equivalent).