well after much digging around and testing,,, I found out what the problem was...and it was the server related...yup, the mod_security was the one.
I'm sure in your attempt to get the server more secure you installed "mod_security" with its basic set of rules, which can cause problems. mod_security can be a good thing, but when it stops your website from working its not. mod_security was popularized during the phpbb sanity worm attacks (that I am aware of), since then tons of hosts just install it and have no real idea how to configure it. The following code will allow you to disable mod_security and have vBulletin operate normally again.
Make or edit your forum .htaccess file and add the following code
<IfModule mod_security.c> SecFilterEngine Off SecFilterScanPOST Off </IfModule>
After doing this I was able to use my board again... just as a heads up for somebody else that might have the same probs.
