500 Internal Server error

[chaosmuskey19]

Hey i came to my website to check some stuff but it giving me 500 error no matter what i do
My Site : http://klimaxproduction.x10.mx/

please help thank you.
500 Error

An internal server error has occurred. Please try your request again momentarily.

• File or directory permissions are set too high: Files should be 0644, directories 0755.
• Problem with your .htaccess file.
• A syntax error in a CGI script.

Edit:
Now its saying
The page you are looking for is temporarily unavailable.
Please try again later.

 

[vv.bbcc19]

Hi,
Currently the wordpress site is working
The template has the following copyright on the bottom.
"2010 KlimaX Production. All Rights Reserved. Greyzed Theme created by The Forge Web Creations. Powered by WordPress."