Keep firefox settings when updating
Revoking write authority from the user for would prevent this.
However, it should be noted that doing this may prevent the user from upgrading the application in the future, as new major versions may contain changes to related files (such as "all.js").
Since it is possible to completely bypass locked preferences by running a separate version of Firefox, Thunderbird, or Sea Monkey (or a completely different application) from a different location, it may be necessary to restrict which programs can be run.
However, at this point, it is probably a good idea to examine exactly why you are locking the preferences in the first place.
Do the following to check and modify Firefox's update settings:2.
The update preferences were modified by third-party software If the changes mentioned above don't stick, then the update settings may have been modified by third-party software or a system administrator.
Questions like: Questions on Stack Overflow are expected to relate to programming within the scope defined by the community. When I open Firefox it's because I want to visit a webpage (immediately), not because I want to sit and wait for updates to be installed.
However if there is an update for an add-on, then it ask whether to take that update or not.
I don't have the ability to detect the pop up window and choose no.
The Firefox web browser is configured to check for and install updates automatically by default.
It offers configuration switches to change that to give users of the browser control over the updating functionality.