rb433ah , Demo license expired! 4.6

RouterOS Wireless Networking
1

Hello
The problem occurred after the upgrade from version 3.3 to 4.6 and did not do the key update

Get data cable + cable network + netinstall

Press any key within 2 seconds to enter setup..
loading kernel from nand... OK
setting up elf image... OK
jumping to kernel code
Starting...
Starting services...


Shutting down...
Stopping services...

Demo license expired!System halted.

Please reinstall the router.

and when i try to enter by making the ethernet port to boot this is what i get
and i can enter with netinstall as well

RouterBOOT booter 2.20

RouterBoard 433AH

CPU frequency: 680 MHz
  Memory size: 128 MB

Press any key within 2 seconds to enter setup..
trying bootp protocol........................................................................................................................................................................................................... failed
kernel loading failed

what should i do?

attached is the screen shot of the netinstall

Please help me

2

disable all firewall on the computer running netinstall during installing
disable all other dhcp or bootp servers in your network!
http://wiki.mikrotik.com/wiki/Netinstall

and reading documentation before acting could help…

3

ERROR: installation of routeros-mipsle-4.5 failed: broken package
???

4

Downloaded a new file

And the problem went

Thank you