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Why does firefox always "default" to a proxy server after the latest PC version update?

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ever since i got the latest Firefox update yesterday, everytime i close and open Firefox, it defaults to a proxy server, i then have to go and change it to no proxy.

fyi i have not used any proxy server before, have not set any proxy server address in Firefox or ANY other browser i use. It was working PERFECTLY before this update.

ever since i got the latest Firefox update yesterday, everytime i close and open Firefox, it defaults to a proxy server, i then have to go and change it to no proxy. fyi i have not used any proxy server before, have not set any proxy server address in Firefox or ANY other browser i use. It was working PERFECTLY before this update.

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


See also:

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ok pref file is NOT read only thats for sure

i tried to delete the clauses about the proxy, and SAVED, and when i exited notepad and went back in, it is as i saved it, BUT when i open Firefox again, the clauses are re-added in...

so i tried safe mode and it didn't work as well

i uninstalled and reinstalled

didn't work as well...

HELP

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Did you try to (re)move all prefs.js files and also check for the presence of a file user.js?

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there is no user.js file

i deleted all clauses in pref file and firefox is back to default mode, like when you first use it, no preferences

EXCEPT THAT BLOODY PROXY