These days do not know how it happened, IPV4 actually can not be modified, under extremely depressed, think of using the command line to try.
Thus typing the following code:
>netsh <Enter>
netsh>interface <Enter>
interface>ip <Enter>
interface ip>set address "本地连接" static 192.168.101.38 255.255.255.0 192.168.101.254 <Enter>
interface ip>exit
To
Reproduced in: https: //my.oschina.net/u/204616/blog/545398