Firefox Add-ons. Explore; Extensions. Download Management. Browse all extensions in this category. 'Download Status Bar' is the add-on you are looking for.

Table of Contents • • • • • • • • • • • Add-on is not compatible An internal file in each add-on indicates the range of Firefox versions with which the extension is compatible. In the area of Mozilla, you can review version compatibility information on the page for each available extension. If your installed version of Firefox does not fit within that range, installing the add-on results in an error, indicating that the add-on is not compatible. If your version of Firefox is incompatible with the add-on, you can: • Update to the latest version of Firefox. For more information, see. • Find a version of the add-on that is compatible with your version of Firefox.

The website usually has the most up to date version of each add-on. • Use a different extension.

For many extensions, there are similar extensions that provide the same functionality. For more information, see. Firefox has prevented this site from installing an unverified add-on Newer versions of Firefox protect you against malware and browser hijackers by blocking third-party add-ons that are not digitally signed and verified by Mozilla. For more information, see. Add-on has a high risk of causing stability or security problems and can't be installed Certain add-ons have been blocklisted by Mozilla for being unsafe.

For more information, see. Firefox prevented the site from asking you to install software By default, Firefox permits you to install add-ons only from trusted websites. If the website from which you are installing add-on is not on the trusted websites list, a yellow bar appears across the top of the web page with a message similar to the following. Firefox prevented this site (www.example.com) from asking you to install software on your computer.

To allow the site, click Allow in the yellow bar. To add the site to the trusted sites list: • Click the menu button and choose Options. • Select the Security panel Privacy & Security panel and go down to the Permissions section. • At the right of Warn me when sites try to install add-ons, Warn you when sites try to install add-ons, click Exceptions. • In the Allowed Sites - Add-ons Installation Allowed Websites - Add-ons Installation dialog, the list of permitted sites is displayed.

The current site URL is inserted into the text field. • To allow the site, click Allow.

Then, click Close Save Changes. • Close the about:preferences page. Any changes you've made will automatically be saved. You are asked to download the add-on, rather than installing it Some websites serve add-ons as downloads, requiring you to download the file to your computer, before installing it. • These files are usually or files. • Download the file to your local computer.

• Click the menu button and choose Add-ons Add-ons. The Add-ons Manager tab will open. • In the Add-ons Manager tab, select the Extensions panel.

• To add the downloaded add-on to the list of available add-ons, drag and drop the file into the Add-ons window. The add-on is added to the list. • The installation process should begin. Download Error -228 Disabled cache This error message may be caused when the Firefox cache is disabled.

To re-enable the Firefox cache. Other software Sometimes, firewalls or spyware screeners may cause the Download Error -228 message. If you use the CA firewall, Windows Defender, or the resident option of Spybot S&D ('Teatimer' feature), you should temporarily disable the software to see if your system permits the add-on to install. For more information, see the documentation that came with your software.

Nothing happens when you click the install link If you click an install link and nothing happens, you should verify that JavaScript is enabled. Pinnacle Studio 11 Plus Update here. For more information, see. Corrupt extension files Corrupt extension configuration files can cause problems when trying to install an extension.

Deleting these files will make Firefox recreate them (removing any corruption) the next time it starts. You won't lose your extensions or their settings by deleting these files. • Open your profile folder: Click the menu button, click help Click the menu button, click Help and select Troubleshooting Information.

The Troubleshooting Information tab will open. • Under the Application Basics section, click on Show Folder Open Folder Show in Finder Open Directory. A window will open that contains your profile folder. Your profile folder will open.