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On opening a new window tab shows - "browser.startup.homepage=about:home"

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  • 7 have this problem
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  • Last reply by cor-el

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When I open a new window all I see is this "browser.startup.homepage=about:home". And address bar says chrome://branding/locale/browserconfig.properties

What is happening and how do I fix this?

Chosen solution

You can check for problems with preferences and rename or delete the prefs.js file and possible numbered prefs-##.js and user.js files to reset all prefs to the default value.


Start Firefox in Safe Mode to check if one of the extensions (Firefox/Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Firefox/Tools > Add-ons > Appearance).

  • Do NOT click the Reset button on the Safe Mode start window.
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Chosen Solution

You can check for problems with preferences and rename or delete the prefs.js file and possible numbered prefs-##.js and user.js files to reset all prefs to the default value.


Start Firefox in Safe Mode to check if one of the extensions (Firefox/Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Firefox/Tools > Add-ons > Appearance).

  • Do NOT click the Reset button on the Safe Mode start window.