Warning: The administrations dir did not rename yet. This is a security reason. Pleas rename the admin folder at the//admin place. After that, you have to change the next lines in configure.php in changed admin folder:
you have to change the admin text betveen two backslash to the changed admin name of folder.
Warning: Installation directory exists at: //install. Please remove this directory for security reasons.
Warning: I am able to write to the configuration file: //includes/configure.php. This is a potential security risk - please set the right user permissions on this file.