How do I restore the original list of blocked sites in the section "warn me when sites try to install add-ons" list?
Under Tools > Options > Security > Exceptions, there is a list of blocked sites. I, like an idiot, deleted some of the websites set as "blocked" thinking the list was a list of sites allowed to install add-ons without asking. Is there any way to restore the sites originally listed as blocked on this list?
This happened
Just once or twice
== I accidentally deleted some of the blocked sites thinking they had been set to be allowed.
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These prefs get set to an empty String once the sites have been added to the whitelist if the pref is not empty if you open the exception window. Tools > Options > Security : "Warn me when sites try to install add-ons": Exceptions
You can reset these prefs on the about:config page. xpinstall.whitelist.add - addons.mozilla.org xpinstall.whitelist.add.36 - getpersonas.com
To open the about:config page, type about:config in the location (address) bar and press the Enter key, just like you type the url of a website to open a website. If you see a warning then you can confirm that you want to access that page.
I have the same problem that the original posters had, but to a larger extent - by mistake I deleted the complete list of sites that was available under the exceptions button for the 'warn me when sites try to install add-ons'.
The answer above didn't help to get this list back - is there any chance to restore it or download it again?