i ran into this with another customer and we renamed the users configuration folder, then reinstalled the extensions to correct the problem.
first make sure Dreamweaver and the Extension manager are closed.
for help locating the configuration folder, see the common installation issues PDF:
once you locate the configuration folder rename it.
then open the extension manager, remove the existing extensions, the reinstall. See this thread for install tips:
This forum uses third party forum software from vBulletin, searching has always been a problem in vBulletin.
I sugest using google for more acurate search results.
you can use an advanced search to target only the forums in google by using the following in your search string;