
At the top right, click More > More tools > Extensions.Restart Firefox to complete the process.If you want to delete an extension entirely, click " Remove.".Find the add-on you want to disable and click its " Disable" button.

Click " Extensions" to view the installed extensions that add features to Firefox, or click " Plugins" to view plugins that add compatibility and functionality.If you are using Windows XP, click on " Tools" from the menu bar near the top of the browser window and choose " Add-ons.".Click the orange " Firefox" button in the top left-hand corner of the browser window and choose " Add-ons" from the right column of the menu to open an Add-ons Manager tab in the active browser window.Follow the steps in this help article: Why Do I See "Error on Page" in Internet Explorer?.

Here are steps for various browsers: Microsoft Internet Explorer 11 and Later: To see if this is the case you can try disabling all plugins, add-ons, or extensions within your browser.

If you are encountering speed, upload, download, or various interface problem with Box it could be caused by a plugin, add-on, or extension that you have installed in your browser. Can browser plugins and extensions affect my connection to Box?
