=Fix specific errors = * [[Image:docicon]]&nbsp[[Firefox is already running but is not responding]] * [[Image:docicon]]&nbsp[[Could not initialize the browser security component|Could not initialize the application's security component]] * [[Image:docicon]]&nbsp[[Firefox cannot connect securely because the SSL protocol is disabled]] * [[Image:docicon]]&nbsp[[Secure Connection Failed]] * [[Image:docicon]]&nbsp[[Server not found]] * [[Image:docicon]]&nbsp[[This connection is untrusted]] * [[Image:docicon]]&nbsp[[Warning Unresponsive script]] * [[Image:docicon]]&nbsp[[Common questions after upgrading from Firefox 3.6#w_why-does-my-home-page-say-i-need-to-update-firefox-when-i-have-the-latest-version|Why does my home page say I need to update Firefox when I have the latest version?]] * [[Image:docicon]]&nbsp[[Add-ons are disabled after updating Firefox]] * [[Image:docicon]]&nbsp[[Firefox won't start - find solutions|Error messages when Firefox won't start (XULRunner - Error and others)]] * [[Image:listicon]]&nbsp[[Fix problems with Kaspersky, Norton, Google or other toolbars]] =Fix Firefox TypeError messages= Firefox will popup an error in a number of situations. Most often this is caused by a misbehaving extension. == Disable common problem extensions == Before going through complicated troubleshooting steps, try disabling these extensions: <!-- Note: these steps are broken on allizom but work on prod --> #[[T:Open Add-ons|type=Extensions]] #If you see '''Orbit downloader''' or '''1-click YouTube downloader''' extensions, click the {button disable} button next to them. #*In the past McAfee SiteAdvisor, ZoneAlarm or PC Tools have also been problems. # Click {button Restart Firefox}. If the steps above didn't solve the problem, try these articles: * [[Image:docicon]]&nbsp[[Troubleshooting extensions and themes]] * [[Image:docicon]]&nbsp[[Add-ons are disabled after updating Firefox#w_check-for-new-versions-of-your-add-ons|Check for new versions of your add-ons]] * [[Image:docicon]]&nbsp[[Software Update Failed]] * [[Image:docicon]]&nbsp[[Error loading web sites]] * [[Image:docicon]]&nbsp[[Uninstalling add-ons]]

Fix specific errors

• &nbsp"Firefox is already running but is not responding" error - How to fix
• &nbspCould not initialize the application's security component
• &nbspEnable SSL to fix the Firefox cannot connect securely error message
• &nbspSecure connection failed and Firefox did not connect
• &nbspServer Not Found - Troubleshoot connection problems
• &nbsp"This Connection is Untrusted" error message appears - What to do
• &nbspWarning Unresponsive script - What it means and how to fix it
• &nbspWhy does my home page say I need to update Firefox when I have the latest version?
• &nbspRe-enable add-ons that were disabled when updating Firefox
• &nbspError messages when Firefox won't start (XULRunner - Error and others)
• &nbspFix problems with Kaspersky, Norton, Google or other toolbars

Fix Firefox TypeError messages

Firefox will popup an error in a number of situations. Most often this is caused by a misbehaving extension.

Disable common problem extensions

Before going through complicated troubleshooting steps, try disabling these extensions:

1. Click the menu button , click Add-ons and themes and select Extensions.
2. If you see Orbit downloader or 1-click YouTube downloader extensions, click the disable button next to them.
   • In the past McAfee SiteAdvisor, ZoneAlarm or PC Tools have also been problems.
3. Click Restart Firefox.

If the steps above didn't solve the problem, try these articles:

• &nbspTroubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems
• &nbspCheck for new versions of your add-ons
• &nbspHow to fix the Update Failed error message when updating Firefox
• &nbspWebsites don't load - troubleshoot and fix error messages
• &nbspDisable or remove Add-ons