Gmail manager 0.6.4.1 not working? Alternative version

Alternative version of the original Mozilla Firefox Gmail notifier for multiple accounts. Because there is no official update to a working version at the moment here you can download alternative version How to install: Download modified version below Run gmail-manager_0.6.4.2.xpi (select a program from a list of installed programs -> choose Firefox) Continue through the installation screens. After installation has completed, restart your Mozilla Firefox and all should work fine Updated fix version compatibility to 12.*, so FF9 is OK. Here is the new XPI link: https://github.com/downloads/athomas/mozilla-firefox-addons/gmail_manager-0.6.4.1.5-fx+sm.xpi