500 internal server error at back end - Joomla

Question

I have installed new site in Joomla 1.7 and its working fine, but when i checked its back-end (administrator) got 500 Internal Server Error.

Note: Site

Answer 1

In my case there was a single file with bad permissions.

It can be tricky to figure out which file has the problem so just run this to set the permissions for all the files in the directory:

chmod -R ug+rwX .
chmod -R o+rX .