problem:
In Windows system, the installation of VM VirtualBox, and create a virtual machine, such as Linux (CentOS-7), to create the network settings after the virtual machine, the bridge network is no option
solve:
1. Locate VirtualBox installation position, thereinto, found under drivers / network / netlwf folder, a file VBoxNetLwf.inf
2. Open the Network Adapter, locate the virtual machine's network connections, open the properties, click on each individual installation - service - add - Disk - Browse
3. Locate VBoxNetLwf.inf file 1, the installation
4. Open VM VirtualBox, settings - network, select the bridge card, this time to the network options, select the host with the same name appears