I found this to work you must use the address of your router 192.168.1.1 or 192.168.50.1
Open the Control Panel and select Internet Options.
On the Security tab, select the Trusted Sites icon.
Select the Sites button.
Clear the check box for Require server verification (https:) for all sites...
no disk or anything in usb rebooted did update bricked router just like last night had to put in recovery mode did update and recovery with cable to router not thru wireless
RT-68U I loaded this last night and it bricked my router had to go in recovery mode and load 380.69 alpha 1 only time I ever had a problem with Merlin updates