User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8b4) Gecko/20050908 Firefox/1.4 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8b4) Gecko/20050908 Firefox/1.4 there are no scrollbars in the main window; nor in the form components. Instead, there is a strange button at the end of the address bar. When clicked, this button wants to add a RSS bookmark. Reproducible: Couldn't Reproduce Steps to Reproduce: I don't know how the get back to the initial state let alone reproduce it.
This is obviously an issue caused by a theme/extension you have installed.