session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at C:\xampp\htdocs\Xprescomnow\piwik\libs\Zend\Config.php:184) 
in 'C:\xampp\htdocs\Xprescomnow\piwik\index.php' at the line 43

#0  Piwik_ErrorHandler(2, session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at C:\xampp\htdocs\Xprescomnow\piwik\libs\Zend\Config.php:184), C:\xampp\htdocs\Xprescomnow\piwik\index.php, 43, Array ([GLOBALS] => Array ( *RECURSION*,[_POST] => Array (),[_GET] => Array (),[_COOKIE] => Array ([PHPSESSID] => d4l87kris0p0mhnaueirknt9e3),[_FILES] => Array (),[piwik_minimumPHPVersion] => 5.1.3,[piwik_currentPHPVersion] => 5.3.1,[piwik_zend_compatibility_mode] => ,[_REQUEST] => Array ([PHPSESSID] => d4l87kris0p0mhnaueirknt9e3),[_SERVER] => Array ([UNIQUE_ID] => TFROP0DysikAAAZIGQYAAADk,[MIBDIRS] => /xampp/php/extras/mibs,[MYSQL_HOME] => \xampp\mysql\bin,[OPENSSL_CONF] => /xampp/apache/bin/openssl.cnf,[PHP_PEAR_SYSCONF_DIR] => \xampp\php,[PHPRC] => \xampp\php,[TMP] => \xampp\tmp,[HTTP_X_CC_ID] => ccc04-01,[HTTP_HOST] => www.xprescom.net,[HTTP_USER_AGENT] => CCBot/1.0 (+http://www.commoncrawl.org/bot.html),[HTTP_ACCEPT] => text/html,application/xhtml+xml,text/xml;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5,[HTTP_ACCEPT_LANGUAGE] => en-us,en;q=0.5,[HTTP_ACCEPT_ENCODING] => gzip,[HTTP_ACCEPT_CHARSET] => ISO-8859-1,utf-8;q=0.7,*;q=0.7,[HTTP_CONNECTION] => close,[HTTP_CACHE_CONTROL] => no-cache,[HTTP_PRAGMA] => no-cache,[HTTP_COOKIE] => PHPSESSID=d4l87kris0p0mhnaueirknt9e3,[PATH] => C:\PHP\;C:\Perl\site\bin;C:\Perl\bin;C:\Program Files\Support Tools\;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem,[SystemRoot] => C:\WINDOWS,[COMSPEC] => C:\WINDOWS\system32\cmd.exe,[PATHEXT] => .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH,[WINDIR] => C:\WINDOWS,[SERVER_SIGNATURE] => 
Apache/2.2.14 (Win32) DAV/2 mod_ssl/2.2.14 OpenSSL/0.9.8l PHP/5.3.1 Server at www.xprescom.net Port 80
,[SERVER_SOFTWARE] => Apache/2.2.14 (Win32) DAV/2 mod_ssl/2.2.14 OpenSSL/0.9.8l PHP/5.3.1,[SERVER_NAME] => www.xprescom.net,[SERVER_ADDR] => 64.242.178.41,[SERVER_PORT] => 80,[REMOTE_ADDR] => 38.107.191.111,[DOCUMENT_ROOT] => C:/xampp/htdocs/Xprescomnow,[SERVER_ADMIN] => admin@localhost,[SCRIPT_FILENAME] => C:/xampp/htdocs/Xprescomnow/piwik/index.php,[REMOTE_PORT] => 53169,[GATEWAY_INTERFACE] => CGI/1.1,[SERVER_PROTOCOL] => HTTP/1.1,[REQUEST_METHOD] => GET,[QUERY_STRING] => ,[REQUEST_URI] => /piwik/index.php,[SCRIPT_NAME] => /piwik/index.php,[PHP_SELF] => /piwik/index.php,[REQUEST_TIME] => 1280593471,[argv] => Array (),[argc] => 0),[_Event_Dispatcher] => Array ([NotificationClass] => Event_Notification),[_SESSION] => Array ([FE_DATA] => Array ([referer] => Array ([last] => /about.html,[current] => /website-hosting.html)))))
#1  session_start() called at [C:\xampp\htdocs\Xprescomnow\piwik\index.php:43]