I can't open the online download file why?

[lizhensheng]

I run the sample .download the mobi file .but the file open fail .is it really can transform online html.
I test the website http://thetricky.net/mySQL/GROUP%20BY%20vs%20ORDER%20BY
the file open fail why?

[raiju]

The most likely issue is that your PHP runtime is blocking certain types of download, not this library. I would recommend checking with your hosting provider. For any real setup I would recommend downloading the file separately, and given this library a local file to open.