the wireless thing is turned off but the Ethernet users are like 20 something
and I did investigate the Spoofing issue for a long time nothing left for me but to know if there is a Trojan can do this or even a legitimate program mis-configured can do this , remember that it has my computer name , I know that anyone can use the computer name he desires and can also obtain other people computer names easily but I really doubt someone did this on purpose , man they don't even know what a MAC address is , I already banned someone and kicked him out and unfortunately it seems like he was innocent because the crap is happening again with my PC name this time not his "this part of the story is old so I didn't tell it " so it is possible the same happened to him unintentionally