Airodump-Ng mon0 Not Capturing Any Data

Step 1:

i am new to kali linux, i am using it on VirtualBox,

My Host is Windows 7 and for checking the network mode by typing netsh wlan show network mode=bssid in cmd prompt it is showing fine..

But if i using an aircrack-ng tool for wifi hacking via kali linux like airmon-ng start wlan0 then airodump-ng mon0 .and when i type airodump-ng mon0 it is not capturing any data even when i have some access points surrounded!

Please, i am waiting for your valuable reply! reply me ASAP! thanks