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Locking Preferences

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So I'm trying to lock the preferences on the privacy & security options. I currently have a .js file named autoconfig.js in my "C:\Program Files\Mozilla Firefox\defaults\pref" I also have mozilla.cfg in my "C:\Program Files\Mozilla Firefox".

When I go to the about:config however it is not greyed out or locked in anyway. I was wondering if anyone could spot what I'm doing wrong.

Yes my File name extensions is on.

So I'm trying to lock the preferences on the privacy & security options. I currently have a .js file named autoconfig.js in my "C:\Program Files\Mozilla Firefox\defaults\pref" I also have mozilla.cfg in my "C:\Program Files\Mozilla Firefox". When I go to the about:config however it is not greyed out or locked in anyway. I was wondering if anyone could spot what I'm doing wrong. Yes my File name extensions is on.
Nataali seetu yiñ ci takkaale

Saafara biñ tànn

For anyone who see this my problem was that an application Zscaler was overriding the general.config.filename property so I could my gfc file was not running.

Jàng tontu lii ci fi mu bokk 👍 0

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Saafara yiñ Tànn

For anyone who see this my problem was that an application Zscaler was overriding the general.config.filename property so I could my gfc file was not running.