Please read the forum rules regarding bumping of threads.
I can't really tell what you are saying the problem is. It sounds like something with Repair/Optimize? You can always do this through phpMyAdmin, or have a look at this link -
3 ways to repair a database
And perhaps you are saying pages aren't loading? If so, first make sure you uploaded all the new updated files. If you are getting a blank page, then here is a page from the manual about troubleshooting blank or 'white' pages:
http://www.vbulletin.com/docs/html/blank_pages