how to fix errors in phpmyadmin

When you first setup your phpmyadmin you are asked to set an admin password.

Step 1: locate the file config.inc.php file that is located in phpmyadmin
Step 2: when you have located the file open notepad
Step 3: locate this particular string of characters in the file by going to find

$cfg['Servers'][$i]['password'] = ''; 

Step 4 inside the single empty quotes type your password 
Here is an example to show you what you should do 
$cfg['Servers'][$i]['password'] = 'enter the password here';