FOUND IT!!!
Problem start when I enable vBulletin Blog.
I have all the rest of plugins AND vBSEO working and I can see my profile.
If I enable the blogs, kaput...
What do I do now? XD
--------------- Added [DATE]1390544315[/DATE] at [TIME]1390544315[/TIME] ---------------
OK... I tried disabling vBSEO for all blogs url, but that didn't solve the problem.
I'm clueless now...