My only advice is to double and triple check that you've flush all caches possible (Magento Cache, System Cache, and all 8 caches along with media cache). If you're using Zend Full Page cache, empty that too. Go to /var/cache and delete everything in here and do the same in var/sessions (if you're storing sessions in the file system and not the database).
If all of that fails try using a different browser that you have yet to view the site on. If that fails try uploading a fresh copy of your version of magento, replacing all the core files. I've seen crazy things happen with Magento and a upload of a clean copy fixes problems for whatever reason. Hope this helps!