To reinstall Carbonite: 1) Log into your Carbonite account. 2) Click on the ‘My Protected Computers’ tab. 3) Click the ‘Reinstall’ button — if you have more than one computer on your Carbonite account, you’ll be asked to choose which computer’s account you want to reinstall. (Help me find my computer name) 4) Follow the instructions to download and reinstall Carbonite. If you’d like to reinstall Carbonite and recover lost files, please click here.