I was wondering why my cookies didn't seem to be working on my homepage of my vbulletin portal, so I messed with the cookie settings and changed them... Of course everything was bad, couldn't login or anything, so I went to the database and went to change them there. I found them in the table 'setting' on page 6. "cookiedomain" and "cookiepath", I changed them back to their default values and it still doesn't work. I cleared my cookies and still nothing. please help. edit: and whenever I try logging it, it shows like you did and the address adds a "?s=(some hash)" to the end...
You'll have to use the tools.php file that comes inside the do_not_upload/ folder with the zip download of your vBulletin package. Upload that file to the admincp/ folder on your server and run it, to fix cookie and login problems. Thanx, Shadab.