After a firefox "upgrade" was installed automatically, Firefox will not start, even in Safe mode. Clicking on the icon does nothing

after a firefox upgrade was auto-installed, firefox no longer will launch. clicking on the icon does nothing. can't start in safe mode
== This happened ==
Not sure how often
== firefox upgrade auto-installed ==
== User Agent ==
Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10_4_11; en) AppleWebKit/531.21.8 (KHTML, like Gecko) Version/4.0.4 Safari/531.21.10

You can try to disable the Java Quick starter and the Java Console extension in the Control Panel > Java.
Control Panel > Java > Advanced tab > Miscellaneous >Java Quick Starter (disable)
You can also disable the Java plugin in Firefox: Tools > Add-ons > Plugins
See [[Troubleshooting extensions and themes]]
See [[Troubleshooting plugins]]

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    See [[Troubleshooting plugins]]

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