This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Firefox 26 not copying my default userchrome.css?

  • 2 replies
  • 1 has this problem
  • 5 views
  • Last reply by PowerCat

more options

Sup guys

I work at a company and I maintain our customized firefox setup.

We use userchrome.css to lock down the interface, to prevent people from doing stuff they shouldn't.

I upgraded the setup files to Firefox 26, but now it's not copying my defaults anymore!!

So I extract the firefox setup file from the main download website.

in \core\defaults\pref\channel-prefs.js, I reference my lockdown file, which is in \core\mozilla.js

in \core\defaults\profile\chrome, I have userChrome.css and userContent.css, both with my customization

I also have \core\override.ini to prevent the profile migrator from coming up.

Now when I install firefox 26, none of the defaults are copied to the new profiles, so none of the configs are locked down.

If I copy them manually, the lockdown applies. However, it should be copied automatically from the "Defaults" folder, to every new profile. This is not happening anymore.

Any ideas?? It used to work fine until the new version. Was this feature removed or something?

Sup guys I work at a company and I maintain our customized firefox setup. We use userchrome.css to lock down the interface, to prevent people from doing stuff they shouldn't. I upgraded the setup files to Firefox 26, but now it's not copying my defaults anymore!! So I extract the firefox setup file from the main download website. in \core\defaults\pref\channel-prefs.js, I reference my lockdown file, which is in \core\mozilla.js in \core\defaults\profile\chrome, I have userChrome.css and userContent.css, both with my customization I also have \core\override.ini to prevent the profile migrator from coming up. Now when I install firefox 26, none of the defaults are copied to the new profiles, so none of the configs are locked down. If I copy them manually, the lockdown applies. However, it should be copied automatically from the "Defaults" folder, to every new profile. This is not happening anymore. Any ideas?? It used to work fine until the new version. Was this feature removed or something?

All Replies (2)

more options

Chosen Solution

more options

Thank man! That solved it!

I moved the "Defaults" folder into the "browser" subfolder

I had to rename "prefs" to "preferences".

Also I had to move override.ini into the "browser" subfolder.

Now all my lockdowns are applying as expected!

That'll teach me not to search hard enough ;)

Thanks again for the help!