browser.showQuitWarning not persistant
I want to suppress the 'save and quit' option. Understand it is controlled by browser.showQuitWarning. Setting it to false would suppress the option for 1 time. Next time it is reset to true and the 'save and quit' appears again.
Выбранное решение
thanks for reply. have found out that I am using a linux distro who put a file at /usr/lib/firefox/browser/defaults/preferences/vendor-firefox.js changing the file fixed the problem.
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Try go to Tools >> Options >> Tabs >> uncheck the option to alert when you will close Firefox, i think it is the second option.
Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).
- Do NOT click the Reset button on the Safe Mode start window.
- https://support.mozilla.org/kb/Safe+Mode
- https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
If you do not keep changes after a restart or otherwise have problems with preferences, see:
Выбранное решение
thanks for reply. have found out that I am using a linux distro who put a file at /usr/lib/firefox/browser/defaults/preferences/vendor-firefox.js changing the file fixed the problem.