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After havin added a Bank security program, Firefox crashed when opening it and refuses to restore or start afresh, always comes up with *well this is embarrasing* and so forth

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After having added a Bank security program, Firefox crashed when opening it and refuses to restore or start afresh, always comes up with *well this is embarrasing* and so forth

After having added a Bank security program, Firefox crashed when opening it and refuses to restore or start afresh, always comes up with *well this is embarrasing* and so forth

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Although possibly not related to your problem, I have to remind you that the version of Firefox you are using at the moment has been discontinued and is no longer supported. On top of this, it has known unpatched bugs and security problems. I urge you to update to the latest version of Firefox, for maximum security, stability, performance and usability. You can get it for free, as always, at getfirefox.com.

As for your issue, it's possible that you are having a problem with some Firefox add-on that is hindering your Firefox's normal behavior. Have you tried disabling all add-ons (just to check), to see if Firefox goes back to normal?

Whenever you have a problem with Firefox, whatever it is, you should make sure it's not caused by one (or more than one) of your installed add-ons, be it an extension, a theme or a plugin. To do that easily and cleanly, run Firefox in safe mode (don't forget to select Disable all add-ons when you start safe mode). If the problem disappears, you know it's from an add-on. Disable them all in normal mode, and enable them one at a time until you find the source of the problem. See this article for information about troubleshooting extensions and themes and this one for plugins.

If you need support for one of your add-ons, you'll have to contact its author.

If the problem does not disappear when all add-ons are disabled, please tell me, so we can work from there. Please have no fear of following my instructions to the line, as all can be easily undone.

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Which Firefox version do you have? You can see the current Firefox version at the top of the Help >About window.

If you have a Firefox 3 (3.6) version then you need to correct the user agent.

See Find what version of Firefox you are using and Web sites or add-ons incorrectly report incompatible browser
See also http://kb.mozillazine.org/Resetting_your_useragent_string_to_its_compiled-in_default

Check the general.useragent prefs on the about:config page.
You can open the about:config page via the location bar, just like you open a website.
Filter: general.useragent

If any general.useragent prefs are bold (user set) then right-click that pref and choose Reset.