Sometimes it thinks boards and closed when they're not, but a simple refresh does that.
Its bugs that may be a problem. As the build gets older, and possible version 4 comes out, and vBulletin stop supporting version 2... it could become dangerous to keep 2.
A Knight is sworn to Honour. His heart knows only Virtue. His blade defends the helpless. His might upholds the Weak. His word speaks only truth. His wrath undoes the Wicked.