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Failed to read the configuration file after firefox 58 update

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  • Last reply by cor-el

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So, one of our terminal servers randomly updated to firefix 58 even though i have the config file to updates disabled. that's another problem for another day but right now i can't get firefox 57 or 58 to load. on FF57 i had to add the following lines to get to websites without the browser crashing:

lockPref("browser.tabs.remote.autostart",false); lockPref("browser.tabs.remote.autostart.2", false);

after i added these it used to work, now that FF58 has taken over my FF no longer reads the config. i deleted everything in the config down to just:

//first line is worthless

lockPref("app.update.enabled", false);

it still isn't working. it just tells me it failed to read the config. obviously i can delete the autoconfig.js which is:

//apparently it doesn't read the first line pref("general.config.filename", "mozilla.cfg"); pref("general.config.obscure_value", 0);


however the browser crashes constantly preventing anyone from going to websites. i tried to just uninstall FF58 delete the program files, install 57 but this doesn't appear to work. the first time i did it the stupid thing auto updated to 58 so i uninstalled again tried to install 57 again and it just crashes constantly.

i'm about to completely remove Firefox from our environment the instability of this application is getting crazy.

So, one of our terminal servers randomly updated to firefix 58 even though i have the config file to updates disabled. that's another problem for another day but right now i can't get firefox 57 or 58 to load. on FF57 i had to add the following lines to get to websites without the browser crashing: lockPref("browser.tabs.remote.autostart",false); lockPref("browser.tabs.remote.autostart.2", false); after i added these it used to work, now that FF58 has taken over my FF no longer reads the config. i deleted everything in the config down to just: //first line is worthless lockPref("app.update.enabled", false); it still isn't working. it just tells me it failed to read the config. obviously i can delete the autoconfig.js which is: //apparently it doesn't read the first line pref("general.config.filename", "mozilla.cfg"); pref("general.config.obscure_value", 0); however the browser crashes constantly preventing anyone from going to websites. i tried to just uninstall FF58 delete the program files, install 57 but this doesn't appear to work. the first time i did it the stupid thing auto updated to 58 so i uninstalled again tried to install 57 again and it just crashes constantly. i'm about to completely remove Firefox from our environment the instability of this application is getting crazy.

All Replies (2)

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There's actually a new line character in the autoconfig so it's not all one line

//apparently it doesn't read the first line pref("general.config.filename", "mozilla.cfg"); pref("general.config.obscure_value", 0);

i have no idea why this isn't working.

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Note that Firefox 58 doesn't use browser.tabs.remote.autostart.2 Only browser.tabs.remote.autostart is now used since this feature is now enabled by default.

Are you sure that the file name is mozilla.cfg and that there isn't a hidden .txt appended?

Also make sure the file is a plain text file with no formatting code.


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