IHELP PLEASE!!!
I have this same problem, i install xoops, it did very well until i go to the homepage, then nothing. It go directly to the modules/news area and the menu at the left is there but the center content is empty and it says Selected module does not exist!. Then i try to login with my user and password and it do nothing but get me to the path/user.php with another login form. I try to go directly to the admin area and it says You don't have the right to access this area. If the page does not automatically reload, please click here.

i check the comment you say about XOOPS_URL/modules/system/templates/
about the XOOPS_URL/template_c? but i havent these files in there. can you guess what do i did wrong? Im in OSX 10.3.5 running PHP Version 4.3.6 and MSQL 3.23.49

Thanks for your kind help