Follow the instructions below to disable browser plugins or add-ons.
 

Chrome

1. Click the menu icon ≡ at the top right of the browser.
2. Click Tools, then select Extensions to open a new Options tab.
3. Uncheck Enabled to disable an extension or click Remove to delete it completely.
4. Enter chrome://plugins/ in Chrome's address bar to view plugins that add compatibility and functionality, such as Apple QuickTime or Adobe Flash.
5. Click the Disable link under the plugin to disable.

Firefox

1. Click Firefox in the top-left corner of the browser.
2. Choose Add-ons from the right column of the menu to open an Add-ons Manager tab in the active browser window.
3. If you're using Windows XP, click Tools from the menu bar near the top of the browser window and choose Add-ons.
4. Click Extensions to view the installed extensions that add features to Firefox or click Plugins to view plugins that add compatibility and functionality.
5. Find the add-on to disable and click Disable.
6. To delete an extension entirely, click Remove.
7. Restart Firefox to complete the process.

How do I disable browser plugins or add-ons?