How can I activate my disabled firefox update yahoo.toolbar?

Firefox updated today and has disabled my yahoo.toolbar. When I re - install, it is again disabled when I restart Firefox.

https://support.Mozilla.org/en-us/KB/add-on-signing-in-Firefox#w_what-can-i-do-if-Firefox-disables-an-installed-unsigned-add-on

Replace the module signature (advanced users):
You can override this setting by changing the preference xpinstall.signatures.required to false in the Editor of Configuration of Firefox (topic: config typed in the URL bar). Support is not available for all changes made to the Configuration then editor please do so at your own risk.

Note: This pref will be gone in Firefox 44 (expected release for 26 Jan 2016) for extensions currently unsigned user should contact the developers of these extensions and their prod in get their act together & get their extensions signed by Mozilla. Otherwise the users of these extensions will be GROUND come out of Firefox 44. Mozilla has already made back the version in which this new security feature should be activated from Firefox 40 to 44. I doubt if there will be a further reprieve.

Tags: Firefox

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