With the introduction of the Navigation Manager and the Activity stream, the way a default page is loaded has changed in vBulletin. On a new install or upgrade it now defaults to the Activity Stream. In the past to change this you would have had to edit a file. However that isn't the case in vBulletin 4.2.0. The default tab is controlled by the Navigation Manager.
Please view this video for instructions on how to change this to suit your site better:
Please view this video for instructions on how to change this to suit your site better:
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