* The file names, without extensions, will be used for the video caption option titles. * Captions work well with the following Windows browsers: Firefox, Chrome, Safari, IE10.

* Browser and version (e.g. Firefox, IE8): ...P and update your PHP. You then have to uncomment all the required dynamic extensions you need, including the php_intl.dll extension. The problem is then solved.

You can also filter submissions which have had extensions granted. ===Granting extensions===