To uninstall DlinkUsdDriver, run the uninstall script from 
shell window(Terminal)

Launch the terminal application from Applications-Utilities folder, 
type the commands exactly as you see it below:

Last login: Wed Jun  4 11:18:08 on console
Welcome to Darwin!
[My-Computer:~] user% 

[My-Computer:~] user% cd /volumes/DLINK/MAC
[My-Computer:/volumes/DLINK/MAC] testlab% ls -l
total 8216
-rwxrwxrwx  1 user  unknown  1422010 Jun  2 18:18 DLinkUsbDriver.dmg
-rwxrwxrwx  1 user  unknown      329 Jun  4 11:59 README_UNINSTALL.TXT
-rwxrwxrwx  1 user  unknown  2541899 Jun  2 18:30 Dwl122_Manual_V100.pdf
-rwxrwxrwx  1 user  unknown   227423 Jun  3 15:05 Quick_Install_Guide_V100.pdf
-rwxrwxrwx  1 user  unknown      391 Jun  4 10:41 uninstall
[My-Computer:/volumes/DLINK/MAC] user% ./uninstall
Password:******
[My-Computer:/volumes/DLINK/MAC] user% 
[My-Computer:/volumes/DLINK/MAC] user% 

Restart your Mac, Wirelss icon will no loger appear in System Preferences.
