User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8b4) Gecko/20050903 Firefox/1.0+ Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8b4) Gecko/20050903 Firefox/1.0+ When in "single window" mode, the "Get more extensions/themes" link in Extension and Theme manager opens in a new window instead of a new tab. Reproducible: Always Steps to Reproduce: 1.Open Extension manager 2.Click on "Get more extensions" 3. Actual Results: New window with UMO opens. Expected Results: Page should be loaded in a new tab.
bug 262575 (bug 297110) *** This bug has been marked as a duplicate of 262575 ***