Starting Firefox, this message appears (I have a screen shot available) Java Script Application Exc in ev handl: TypeError: this.o.root.enable is not a function
26 Sept. 2011
I get the dialog box mentioned in the Question when I click to open Firefox.
I click OK button in dialog box and Firefox opens/launches.
I installed Java around the same time I installed Firefox.
I installed Firefox and Java within the last seven days.
I have a screen shot of the dialog box.