How to Solve Internal Page Error on WordPress under 1&1 Server

If you host your WordPress site at 1and1 and encounter an Internal Page Error, where all internal pages work fine but are all unaccessible, you may find this helpful;

• Open .htaccess file from your root folder.
• Add these ff. codes under the existing ones:

  Options All -Indexes
  AddType x-mapp-php5 .php
  AddHandler x-mapp-php5 .php

• Save and hopefully see it work

If no .htaccess file was found;

• Create textbox file and name it htaccess.txt
• Add these ff. codes:

  <IfModule mod_rewrite.c>
  RewriteEngine On
  RewriteBase /
  RewriteRule ^index.php$ – [L]
  RewriteCond %{REQUEST_FILENAME} !-f
  RewriteCond %{REQUEST_FILENAME} !-d
  RewriteRule . /index.php [L]
  </IfModule>

  Options All -Indexes
  AddType x-mapp-php5 .php
  AddHandler x-mapp-php5 .php

• Save and upload to your root folder
• Rename file into .htaccess
• Save and hopefully see it work