An uploaded brand logo is not shown. My web root path is set do htdocs/joomla for the domain (train4media.de/piwik is /htdocs/joomla/piwik), but Piwik looks for train4media.de/joomla/piwik/themes/logo-header.png. So please use a relative path.
Might be a problem in Piwik::getCurrentScriptName(), as this method is used to display the logo.
Could you please look if PATH_INFO and/or REQUEST_URI is available in $_SERVER on your server and which value they contain within the piwik path?
Fixed in .
_SERVER["REQUEST_URI"] exists, PATH_INFO not.
Magister: the code in Url.php works correctly; if
$_SERVER['PATH_INFO'] is not set, it falls back to
You need to update the cached URL. After applying the patches in [and 4946, try re-uploading the logo. Or manually poke your piwik_option table, changing the option_value for the row with option_name = 'piwikUrl'.