Thread:Project:Support desk/Error 404 - Object not found. Internet access to wiki/reply (4)

You need to add some things to LocalSettings.php. (Since mediawiki needs to know the path its accessed from, and you changed that since you first configuring mediawiki) Specificly
 * $wgScriptPath should be  $wgScriptPath= '';  (from your description, its probably currently set to something like  )

If you're trying to configure short url's, there other things you have to do, see Manual:Short URL