I have same spam problem and same other bugs in my systeem.
Here in category [url removed, login to view] and there are automatically placed ads. I have add spam code option but that does not help. I think tehre is same bugs in system. This ads place page [url removed, login to view]
I'm searching for someown that can fix bugs. Only respond if you can solve.
For what i can see, you have some kind of database bug, maybe your installation process was wrong and maybe there is a problem with your .htaccess. Will need to check this out but is sure a simple task. I asked for 2 Plus