"UNEXPECTED ERROR" Bitdefender central error


i cannot able to sign in using bitdefender central, in order to activate my bitdefender total security 2016(64 bit).

I tried every solution in this thread :


which includes uninstalling and reinstalling using proper methods, copying some files in to bitdefender folders in safe mode, but these steps didn't work for me.

i'm on a laptop using wifi , i cant go for a cable internet , so please send me the solution for wifi.

The error dialog and the results obtained for the command prompt commands ( ping nimbus.bitdefender.net  and ping bd.bdnc.net) are attached below.


please let me know the solution for this problem ASAP,

Thank you.