I've got WordPress installed locally and it's running fine except whenever I click update on a Page or Post, I get a white screen, forcing me to refresh and remove everything except "localhost:888/wp-admin" from the address in order to see my admin panel. This also happens when saving changes in the Settings panels. I've worked with WordPress locally lots before, but have never encountered this. I've tried re-installing it twice to no avail. Does anyone have any suggestions? Thanks!