The blank screen in joomla 1.0 powered sites can be resolved by the following ways:

You have to edit the two pages

Step 1:

 In /includes/Cache/Lite/Function.php 

    Replace 
    $arguments = func_get_args();

    to

    $arguments = func_get_args();
            $numargs = func_num_args();
            for ($i = 1; $i < $numargs; $i++) {
                $arguments[$i] = &$arguments[$i];
            }
    In /includes/vcard.class.php
    Add a if statement just above the code:


    if(!function_exists('quoted_printable_encode')) {
    function quoted_printable_encode($input, $line_max = 76) {
    ....
    .....
    }
    }
    

 In /includes/Cache/Lite/Function.php 
    replace
    $result = call_user_func_array(array($class, $method), &$arguments);
    to
    $result = call_user_func_array(array($class, $method), $arguments);

    $result = call_user_func_array(array($$object_123456789, $method), &$arguments);
    to 
    $result = call_user_func_array(array($$object_123456789, $method), $arguments);

   $result = call_user_func_array($target, &$arguments);
    to
    $result = call_user_func_array($target, $arguments);