Google ToolBar is not supported in FireFox
Currently lunched firefox 5 is not supporting google toolbar.
Most of the firefox users are google friendly so this issue must be resolved as soon as possible.
Some of the bullshits have blogged that google is working in firefox 5 but they are just fooling us.
So, plz don't believe them and waste your time.
Here is the picture below how it is not supported .
Also, here is these guys have post that google for firefox 5 .
Which is all the hell.