Mozilla Releases Thunderbird 2.0.0
An anonymous reader writes "The Mozilla Corporation has released Thunderbird 2.0.0. Among the improvements are Message Tagging, updated UI, Advanced Folder Views, Better New Mail Notification and Full Support for Windows Vista and 64-bit versions of Windows."
Just restart the computer and then run the installer before you run anything else. The problem is that other programmes grab that .dll and don't let it go.
Took me 30s to find this information online. Make an effort.