acces

Hi all,i'm starting this topics so i dont have to hijack the other ones :).

now i'm having some problems and these are the following:
1 recent topics block wont show topics
2 new user regestration gets ""this board has no forums"( i dont know if the problem is with the module but i have to grant the user manualy the acces :S)
3 session problem?,when i log in to phpbb using my drupal super account nothings hapens when logging in the fields just reset,but when i comment out the following lines in .htacces: