can we put this topic on hold while I get my hosting company involved

I've located the line : RewriteRule .* index.php [F]   in the file httaccess.txt   do I just delete this line ?     ...

how do I obtain a Wordpress debug LOG ?

I cant understand where the index.php is coming from. Perhaps its left over from the old Joomla imstall I never see it in my url's here ! I will go a...