Ive downloaded joomla, Ive downloaded cakephp, Ive downloaded Zend, but when I try to install silverstrip, I click the install button but it doesnt install, it just freezes and then I get a windows message saying that my appache server has stop responding. what might be the problem .

Then it redirects me to a page with this error message...

The connection to the server was reset while the page was loading.

The network link was interrupted while negotiating a connection. Please try again.