common forum responses

Note: This document is used as a listing for the canned responses tool. See the Create or improve common forum responses article for guidelines.


Signed add-ons

Installing an extension

Uninstalling an extension

Switch to previous theme

Cache and Cookies

Clear cache and cookies

Reload a site and bypass the cache

Common troubleshooting steps

Starting Firefox in Safe Mode

Get troubleshooting information

Clean reinstall (Firefox)

Refresh Firefox - reset defaults

Collect Certificate Troubleshooting Information


Firefox crashes

Firefox crashes when you open it (Windows)

Firefox crashes when you open it (Mac)

Hot Topics

64 bit Firefox on Windows

Some websites won't load after updating to version 51

I found a fake Firefox update

Unauthorized access to Firefox Accounts and Sync

Firefox 45 for Mac won't shut down

Hide Tab Bar

Disable Javascript

Mixed Content

Install voices for Narrate to work with other locales


Opening the Firefox configuration

Zoom feature

Lost Bookmarks

I-icon in address bar

Creating a screenshot

Missing Toolbar

Turning off automatic Firefox update

Malware (Windows Only)

Disable hardware acceleration in Firefox


Problem Resolved

Create A New Thread


Flash problems

Disable hardware acceleration in Flash Player

Choose another PDF reader

Activate Java

Printing and print preview

Check print margins

Search Hijacker

Changing default search engine

Firefox for Android

Clear cache and cookies (Android)

Add Quit back (Android)

No Firefox for Symbian, Windows Phone, etc (Android)

Customizing the start screen (home page) (Android)

Turn on Family Friendly Browsing (Android)

Bookmark Management (Android)

Firefox for iOS

Bookmarks won't sync on Firefox for iOS

I can't find Firefox for iOS in the app store

Clear Firefox cache in iOS

Send tabs to other devices in iOS

Set Firefox as your default browser in iOS

Firefox OS

Submit feedback to User Advocacy

Surfing the web issue (Firefox OS)

Reset the phone (Firefox OS)

Update the phone (Firefox OS)

Contact your Carrier (Firefox OS)

Contact Place of Purchase (Firefox OS)

Restart the device (Firefox OS)

Soft reset of the device (Firefox OS)

Request More Information (Firefox OS)

Voice Recording (Firefox OS)

Media Formats Supported on Firefox OS

Porting Firefox OS to my Android

Compatible Applications from Android and iPhone

WPA-EAP Wi-Fi does not work (Firefox OS)

Import Contacts (Firefox OS)

Updating ZTE Open C (Firefox OS)


Clean Reinstall (Thunderbird)

Troubleshooting Thunderbird using Safe Mode

Asking for Troubleshooting Information (Thunderbird)

Duplicate emails (Thunderbird)

Missing email (Thunderbird)

Firefox Sync

Sync not a backup service

Forced Sync after a failed Sync

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These fine people helped write this article: AliceWyman, Kadir Topal, Tonnes, Michele Rodaro, user66338, Roland Tanglao, Andrew, John99, Toad-Hall, Nathan2055, Safwan Rahman, Matt, Tyler Downer, Ralph Daub, Amit Kumar Thakur, Wesley Branton, kobe, Marco Aurélio, Meghraj Suthar, guigs, Joni, Seburo. You can help too - find out how.