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Running Firefox 111.0 on MacOS 13.2.1 - Cannot Access "about:third-party" Page - Says Invalid URL

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  • Valiny farany nomen'i cor-el

amniqq
amniqq
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Whenever I try to access the "about:third-party" page in Firefox - it returns with 'Hmm. That address doesn’t look right.Please check that the URL is correct and try again.'

So what should I do?

Whenever I try to access the "about:third-party" page in Firefox - it returns with 'Hmm. That address doesn’t look right.Please check that the URL is correct and try again.' So what should I do?

All Replies (1)

cor-el
cor-el
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  • Top 10 Contributor
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That page is only available for the Windows platform and not for Mac and Linux. You can find all valid about pages list on about:about. 

#ifdef XP_WIN
    {"third-party", "chrome://global/content/aboutThirdParty.html",
     nsIAboutModule::ALLOW_SCRIPT},
    {"windows-messages", "chrome://global/content/aboutWindowsMessages.html",
     nsIAboutModule::ALLOW_SCRIPT},
#endif