pop-up blocker exception cleared when browser closed - why?
pop-up blocker exceptions cleared when browser closed - why?
pop-up blocker exceptions cleared when browser closed - why?
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That happens if you clear the Site Preferences.
In case you use "Clear history when Firefox closes" or otherwise clear history.
- do not clear the Site Preferences
- Options/Preferences -> Privacy & Security
Firefox will: "Use custom settings for history":
[X] "Clear history when Firefox closes" -> Settings - https://support.mozilla.org/en-US/kb/delete-browsing-search-download-history-firefox
- clearing "Site Preferences" clears exceptions for cookies, images, pop-up windows, and software installation and exceptions for passwords and other website specific data
- clearing "Cookies" will remove all cookies including cookies with an allow exception you may want to keep