Fresh Magento 1.7.0.2 install and get an internal server 500 error

I did a fresh Magento 1.7.0.2 install and I get an internal server 500 error.
After running the magento-cleanup tool and disabling the htaccess-file it worked correctly.
When I enable the htacces-file I get the error again so I concluded it’s something in or with the htaccess-file.

It’s the default 1.7.0.2 htaccess file and even chmodding it to 777 . . . → Read More: Fresh Magento 1.7.0.2 install and get an internal server 500 error