Thunderbird
Improve the Knowledge Base
Improve the Knowledge Base
Did you know that most of the content on support.mozilla.com was written by
volunteers?
Find out how you can help
Find out how you can help
Security notice: Due to a critical and widely exploited vulnerability in Flash, please install the newest version of Adobe Flash (version 10.0.32.18 also called 10.0 r32) from Adobe's download page.
To check your version, go to Tools > Add-ons select the Plugins pane and select the Shockwave Flash item.
To check your version, go to Tools > Add-ons select the Plugins pane and select the Shockwave Flash item.
Popular Support Articles
- Will Firefox work on Windows 7
- Upgrading to Firefox 3·5
- Private Browsing
- Enabling and disabling cookies
- Clear Recent History
- Cannot clear Location bar history
- How to make Firefox the default browser
- Username and password not remembered
- Backing up and restoring bookmarks
- How to clear the cache
- Deleting cookies
- Problems using Facebook in Firefox
New to Firefox?
These articles will get you started and browsing like a pro!