I have 4 blogs. I successfully updated two of them to the latest version of WP. The other two use different themes (more advanced themes) and I was treated to the white screen in trying to update them yesterday. I have renamed the plugins folder, eliminated white space from certain files as recommended in other forums and increased the php memory on the server side. To no avail. I have renamed the theme directory in an attempt to force the usage of the default theme with the result that I then get the white screen instead of the blog home page. Is there another way to force WP to use the default theme? Or any other ideas?
Thanks so much for any feedback!