BuddyPress.org

The same thing happened here.
The error in Chrome:

This webpage is not available.

The webpage at http://localhost:8888/wordpress/wp-admin/plugins.php?activate=true&plugin_status=all&paged=1 might be temporarily down or it may have moved permanently to a new web address.

More information on this error
Below is the original error message

Error 324 (net::ERR_EMPTY_RESPONSE): Unknown error.

In my web server: (apache_error_log)

[Wed Aug 11 20:10:08 2010] [notice] child pid 1829 exit signal Segmentation fault (11)
[Wed Aug 11 20:10:08 2010] [notice] child pid 1828 exit signal Segmentation fault (11)
[Wed Aug 11 20:10:08 2010] [notice] child pid 1478 exit signal Segmentation fault (11)
[Wed Aug 11 20:10:09 2010] [notice] child pid 1502 exit signal Segmentation fault (11)