NFPS / Private getting error bad or serial number mising

[idlefriend]

Hi.I am getting error "Bad or serial number is missing.I dont what is this mean.I tried to change manual mac on my NFPS setting still the error is coming.Please help me out.

 

[Alucard]

Read the announcements and stickies. We don't need another thread on this topic. It has been answered many times.