Did you upgrade or new install?
Which version?

If you upgraded:
- Clear Browser Cache, Refresh
- Have you also replaced index.php (not just subfolders) ?

This is clean install and tested from browsers that never displayed this url before. All files is new index.php .htaccess etc.

Which version? 0.8-stable, from trunk, etc?
On my 0.8-RC I haven't had displaying issues, tested with Win 7 (IE, FF and Chrome) and on Linux (FF).