One easy solution for Joomla 3.x "Error 500 - Internal server error An internal server error has occurred!"
Ok. So you just change your Joomla 3.x site to search engine friendly URLS, changed to mod rewrite and also renamed the htaccess.txt to .htaccess but every article page returns the error “Error 500 - Internal server error An internal server error has occured!” is that the problem? Ok here is a solution:
via Andrew Brett Watson.com http://ift.tt/1yV1M8D
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