Magento Admin Page not found

If you are trying to access your magento backend after installing and you are getting the following error

"Not Found

The requested URL /admin was not found on this server.

Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.",

Then this may help

1. Go to you PHPMyAdmin

2. Open the website database

3. Open the table "core_config_data table"

4. Change the value of "config_id" from 1 to 0

Clear your cache and try again

if it does not work put /index.php/ before you admin url e.g yoursite/index.php/admin_page