winbox admin login problem

hi friends
i am installing the mikrotik 5.20 in my PC
after the installation i connect the winbox the did not connect
the said
Cold not fetch index from 00.00.00.0:80: disconnected
i changed the lan card but the not work what i do
help me please

Did you enter the router’s ip in the “Connect To” box?

i have the router but the in use another network

and i won’t to setup in my PC i am installed the Mikrotik-os in my PC
Virtual Box is helped me to install


Urdu
mene mikrotik-os ko PC me install kiya he Virtual Box k zarye

The only time Winbox returns that response mentioning port 80 is if the “Connect To” box is empty. Otherwise it uses port 8291.

i try it every time the said Cold not fetch index from 00.00.00.0:80: disconnected i changed the my PC 1st time try it in dell dimension 8200
and this time Dell Desktop GX280
the both PC have same Error