Get Simple Installation "Internal Server Error"

[Nighteyes]

Hello guys,

i have uploaded all files in this directory: rkn-immobilien.de/new
Now when i want to install the CMS i become this failure:

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator, and inform them of the time the error occurred, and anything you might have done that may have caused the error.

More information about this error may be available in the server error log.

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


All directories have CHMOD 755 and the files 644
my htaccess file is:

Code:

AddDefaultCharset UTF-8
Options -Indexes

# blocks direct access to the XML files - they hold all the data!
<Files ~ "\.xml$">
    Order allow,deny
    Deny from all
    Satisfy All
</Files>
<Files sitemap.xml>
        Order allow,deny
    Allow from all
    Satisfy All
</Files>

RewriteEngine on

# Usually it RewriteBase is just '/', but
# replace it with your subdirectory path
RewriteBase **REPLACE**

RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule /?([A-Za-z0-9_-]+)/?$ index.php?id=$1 [QSA,L]

My Provider is 1und1.de

I hope anyone can help me!

THX