Posting in the Magento forums has been disabled pending the implementation of a new and improved forum solution which should better serve the community.
For new questions please post at magento.stackexchange.com, the community-run support site for the Magento community. We will be providing updates on the new forum solution soon. For questions or concerns please email email@example.com.
Your root .htaccess file will be in puiblic_html/ directory and your Magento .htaccess file by default will be in the /magento directory. You can find it by connecting via FTP, or unzipping the Magento package on your local machine.