after I changed motive in browser Mozilla Firefox, Mozilla doesn't work
I just change motive in browser. when I did that earlier nothing is happen. I change it and close opened windows. when I do this the browser doesn't open.
This happened
Every time Firefox opened
I changed motive in browser
User Agent
Opera/9.80 (Windows NT 6.0; U; pl) Presto/2.6.30 Version/10.60
Chosen solution
You can either see if you can start Firefox in Safe mode or remove the lightweightThemes lines from the file prefs.js in the Firefox Profile Folder
Prefs in prefs.js: user_pref("lightweightThemes.isThemeSelected", true); user_pref("lightweightThemes.persisted.footerURL", true); user_pref("lightweightThemes.persisted.headerURL", true); user_pref("lightweightThemes.usedThemes", "");
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"I just change motive..." makes no sense in English; 'motive' is a mistranslation. What did you change?
Do you mean that you installed a Persona?
You can uninstall that Persona and revert to the Default theme (Tools > Add-ons > Themes). See Use themes to change the look of Firefox and http://kb.mozillazine.org/Themes (Lightweight theme)
See also Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems
sorry, I'm from Poland. it's persona. but how can I get (?) to Tools?? when I want open Mozilla it doesn't work
Chosen Solution
You can either see if you can start Firefox in Safe mode or remove the lightweightThemes lines from the file prefs.js in the Firefox Profile Folder
Prefs in prefs.js: user_pref("lightweightThemes.isThemeSelected", true); user_pref("lightweightThemes.persisted.footerURL", true); user_pref("lightweightThemes.persisted.headerURL", true); user_pref("lightweightThemes.usedThemes", "");