Fix slowness, crashing, error messages and other problems
Problems with add-ons, plugins or unwanted software
- Send plugin crash reports to help Mozilla improve Firefox When a plugin crashes, you may see a sad face with a link to send a crash report. Sending these reports before reloading the page helps us improve Firefox.
- How to allow Java on trusted sites Learn how to activate Java in Firefox, if necessary, and where to find info about Java prompts and "Application Blocked by Security Settings" error messages.
- Adobe Flash plugin has crashed - Prevent it from happening again Flash crashes can usually be fixed by updating to the latest version of Flash. The article explains how to do that.
- Remove a toolbar that has taken over your Firefox search or home page This article will help you remove unwanted third-party toolbars from Firefox and restore the default search, New Tab and home page settings.
- Upgrade your graphics drivers to use hardware acceleration and WebGL Firefox and plugins can use your graphics card to speed things up. To enable this or to fix problems, you may need to update the graphics card drivers.
- How to remove the Babylon toolbar, home page and search engine Babylon translation software adds a toolbar and changes settings in your browsers. This article explains how to remove Babylon and restore Firefox to normal.
- Re-enable add-ons that were disabled when updating Firefox Many add-ons are automatically compatible with the latest Firefox. For those that aren't, we'll show you how to search for new versions or find an alternative.
- Cannot uninstall an add-on This article describes how to uninstall an extension or theme that can't be removed normally. This includes problematic toolbars and search bars.
- Unable to install add-ons or extensions This article describes various reasons that would cause an add-on not to be able to be installed and what you can do to fix the issue.
- PDF files are blank or cause an error message on Mac An Adobe Reader update can cause PDF files to be unreadable in Firefox. We'll explain how to fix this and cover options for viewing PDF files.