Firefox 3.5 override

If you need to install Galaxyplugin 2.1.x into Firefox 3.5 use this addon ( https://addons.mozilla.org/de/firefox/addon/6543 ) to override any compatibility issues Firefox might bring up.

1

Download and install Nightly Tester Tools

2

Restart Firefox

3a

existing installation of galaxypluging: go to Extras--> Addons and click "override compatibility in the bottom right

3b

new installation of 2.1.9 install as usual and click "force install" (screenshot below) 

4

Restart Firefox

5

Enjoy Galaxyplugin 2.1.x with Firefox 3.5

you may delete Nightly Tester Tools as soon as you have a compatible version (either 2.1.10 or 2.2.x) at your disposal.