i have installed the plugin without having APC on my server and when i try to upload a file i get this on my browsers error console.
Uncaught TypeError: Cannot read property 'Complete' of undefined fileupload.js?v=1.5.2:414
Resource interpreted as Document but transferred with MIME type application/json: "http://forum.inspot.gr/post/upload/UploadAttachment_1". jquery.min.js:3
Uncaught SyntaxError: Unexpected token < jquery.min.js:2