Thread:Project:Support desk/404 errors after upgrade from 1.15 to 1.20

tried to upgrade to 1.20 from 1.15.1 my info: MediaWiki - 1.15.1 PHP - 5.3.8 (cgi-fcgi) MySQL - 5.0.51b-community-nt process: unpacked tar file to new directory copied all installed extensions, custom skin, localSettings.php,images Swapped the old directory and the new directory.

Get 404 error when I try to login. Can anyone advise me?

Thank you, Jeff Freund