#Download the latest Desktop version of Firefox from [https://www.mozilla.org/firefox/all/ this page] and save the setup file to your computer. #Now, go ahead and reinstall Firefox: ##Double-click the downloaded installation file and go through the steps of the installation wizard. ##Once the wizard is finished, choose to directly open Firefox after clicking the Finish button. More information about reinstalling Firefox can be found [[Troubleshoot and diagnose Firefox problems#w_4-reinstall-firefox|here]]. Please report back to say if this helped you! Thank you.