Updates firmware from 21.19.6 which doesn't work anymore to 21.19.9b which does work.
1. Run updatefw.bat.
2. Once the update process has completed press the reset button for 3 seconds as prompted.
3. Log on to Router at 192.168.1.2
4. Click Firmware update and ensure current firmware Version: 21.19.9b.
5. Re-enter your Login Settings if neccesary and click connect.
6. If everything works click save settings.