Mozilla/5.0 (Windows NT 6.1; rv:21.0) Gecko/20130115 Firefox/21.0 Build ID: 20130115030936 The animated notification blinks twice if the download indicator is clicked right in the moment the download is complete. Please see the screencast for more details: http://screencast.com/t/omcdAUQkx Steps to reproduce: 1. Launch Firefox 2. Navigate to http://ftp.mozilla.org/pub/mozilla.org/firefox/nightly/latest-trunk/ 3. Download the .exe file 4. Click on the Download Indicator right in the moment the finished download notification is displayed. Expected results: The finished notification blinks once (regardless if the download indicator is clicked or not) Actual results: The finished notification blinks twice.