From Bugzilla Helper: User-Agent: Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 5.0) Tried to install using keyboard on a machine where the installer didn't detect the mouse. All features cannot be reached using the keyboard Reproducible: Always Steps to Reproduce: 1. Use the installer on a system without a mouse. 2. Try to expand a manufacturer (graphics cards) 3. Try to use tab to get to the city selector in time zone Actual Results: Can't expand 'twisties' on manufacturers and can't use tab to switch to all fields.
*** This bug has been marked as a duplicate of 10759 ***