I have developed a installer that is easer to use that the other 7-Zip installers
you can get it here --------> [Link removed by moderator JTH. It is illegal to repackage Thunderbird or Firefox without the explicit permission of Mozilla. The official installers for Firefox Portable and Thunderbird Portable may be redistributed but not modified.]
and YES, its open source--------> http://www.mediafire.com/?commzotn13k
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