User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.2b) Gecko/20021014 Phoenix/0.3 Build Identifier: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.2b) Gecko/20021014 Phoenix/0.3 When in Yahoo Mail and I hit the Compose button, it opens the new mail page in the current tab, as well as in a new tab. It should only open in the current tab. I am using the Tabbrowser extension for Phoenix, which could be playing some part in this strange behavior. Reproducible: Always Steps to Reproduce: 1. 2. 3.
Your build is very old. Try a newer one. You should also consider uninstalling tabbed browsing extensions, since this problem seems related to this extension. *** This bug has been marked as a duplicate of 181113 ***