How to disable ImTranslator from Firefox

To temporarily disable ImTranslator extension from the browser:

1. Click the menu button   and choose Add-ons. The Add-ons Manager tab will open.
2. In the Add-ons Manager tab, select the Extensions panel.
3. Select the add-on you wish to disable.
4. Click its Disable button.
5. Click Restart now if it pops up.