Having serious problems.

[ExTincTi0N]

Ok I deleted my db and all my vB files on my site. I was using 3.7.2. I am now using 3.6.8 because I like it alot better. Now after installing it I am prompted to login. I go to my site to login. I type in my username and password. It says thank you for loging in .RevO blah blah blah. It takes me back to the main forum page. But I am not logged in. Whats the problem. Please help me.

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Also this happens with the acp too.

[Opserty]

Upload tools.php from the do_not_upload folder of the vBulletin.zip file to your AdminCP. Navigate to the page and follow the on screen instructions to the cookie settings.

[ExTincTi0N]

kk thank you.