After that I changed pattern in the Mozilla Firefox browser, Mozilla does not work

I just change the pattern in the browser. When I did this earlier nothing happen. I have change and close the open windows. When I do that the browser does not open.

This has happened

Each time Firefox opened

I changed my mobile browser

User Agent

Opera/9.80 (Windows NT 6.0; U; PL) Presto/2.6.30 Version/10.60

You can either see if you can start Firefox in that troubleshooting Firefox issues in Safe Mode , or remove the lines lightweightThemes of the prefs.js file 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", "");

Tags: Firefox

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