Yes, I've tried that a few times. I, however, have found the problem. Avast was blocking my outgoing signal to the router, preventing my TFTP upload for the firmware. Disabling Avast allowed me to fix the problem. Thanks for the answer, though.
Make sure you guys turn off whatever antivirus you have. You are my Hero !!!
You are my hero!! Forticlient was doing it in my case.