Probably the file association is busted and it simply uses the old version whenever you invoke it from Photoshop or whatever. Check your Bridge preferences. also check your start menu again if CS6 Bridge is actualyl properly installed to begin with.
Thanks....I found it in Program files/Adobe and opened....working fine.
In a message dated 5/10/2012 2:02:15 P.M. Central Daylight Time,
Re: Where is CS6 Bridge? Mine says it is CS5...
created by Mylenium (http://forums.adobe.com/people/Mylenium) in
Downloading, Installing, Setting Up - View the full discussion