Database driven website - Cannot download anything anymore

After following the steps for the individual packages (mysql, php and apache) on mac os 10.6, I got to page 50 where three different text editors are suggested for coding PHP.
When visiting these websites, and clicking a download, the webpage starts flashing back and forth to a .dmg file and the page where the download is located, without actually downloading it. Something must be blocking my downloads since I did the steps in chapter 1 and 2.

I tried to download many different files, on 3 different browsers’Chrome, Safari and Firefox), and always run into the same issue. Safari shows a black page, the other browsers keep flashing between the 2 urls every 2 seconds.
The issue isn’t solved by stopping the mysql server or rebooting the computer.

I have the same problem and i dont know what to do…(


The URLs have probably changed since the book was published. Below AFAIK are the current links