WordPress Speed Up Service | WordPress Website Maintenance Packages Reply To: Unable to use Default Editor, by Steve Stern In the future, @stefcs, please do not hijack other users’ topics. Your problem is NOT THE SAME as the OP’s. This may be a plugin or theme conflict. Please attempt to disable all plugins, and use one of the default (Twenty*) themes. If the problem goes away, enable them one by one to identify the source of your troubles. Reply To: Unable to use Default Editor