Rated 5 out of 5 stars

I have been using this fix below by divrsit since he posted it and have had no problems at all:
--------------
1. Browse yourself to C:\Users\YOUR USER NAME\AppData\Roaming\Mozilla\Firefox\Profiles\A RANDOM CODE IS

HERE.default\extensions\

2. Locate the file {582195F5-92E7-40a0-A127-DB71295901D7}.xpi and use WinRaR/WinZip ect. to extract the

files

3. Open the components folder, look for the file gmServiceGmail.js and use a text editor to modify the file

4. Look for these 2 lines:

this._loginURL = "https://www.google.com/accounts/ServiceLoginAuth";

should be changed to this below:

this._loginURL = "https://accounts.google.com/accounts/ServiceLoginAuth?service=mail";

this._loginURL = "https://www.google.com/a/" + this.domain + "/LoginAction2";

should be changed to this below:

this._loginURL = "https://accounts.google.com/a/"+ar[1]+"/LoginAction2?service=mail";
--------------