Until the add-on developers are able to play catch-up, why not try an earlier version of Firefox click here - one in which all your add-ons work. Uninstall the present one before installing an older one.
In the newly installed FF, change settings in Options > Advanced > Update not to check for or automatically install new updates for FF.
Unless FF doesn't work at all or your beginning to dislike it, I see no reason to revert to IE or use
any other browser.
"when i try to back ite ite" - sorry, but I've no idea what do you mean by that. G