خطا در دموی اولیه سایت

[شئهد_ثسالا]

خوب پس از حل مشکل اول و نصب جوملا با خطا های زیر در دمو مواجه شدم ...علت این خطا ها و راه حل اصلاحشون چیه؟
اینم خطا ها
Strict Standards: Static function JDatabase::test() should not be abstract in C:\xampp\htdocs\joomla\libraries\joomla\database\d atabase.php on line 350

Warning: session_start() [[مهمان/کاربر گرامی برای دیدن لینک ها ابتدا باید عضو سایت شوید و لاگین کنید برای ثبت نام اینجا کلیک کنید]]: Cannot send session cookie - headers already sent by (output started at C:\xampp\htdocs\joomla\libraries\joomla\database\d atabase.php:350) in C:\xampp\htdocs\joomla\libraries\joomla\session\se ssion.php on line 462

Warning: session_start() [[مهمان/کاربر گرامی برای دیدن لینک ها ابتدا باید عضو سایت شوید و لاگین کنید برای ثبت نام اینجا کلیک کنید]]: Cannot send session cache limiter - headers already sent (output started at C:\xampp\htdocs\joomla\libraries\joomla\database\d atabase.php:350) in C:\xampp\htdocs\joomla\libraries\joomla\session\se ssion.php on line 462

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 394

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 394

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 394

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 394

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 394

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 394

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396

Strict Standards: Accessing static property JCache::$_handler as non static in C:\xampp\htdocs\joomla\libraries\joomla\cache\cach e.php on line 396