Hello Ashish,
Thank you for reaching AVG Support Community.
We sincerely apologize for the difficulties you are currently experiencing.
We will certainly check and help you to resolve it.
We've sent you an email requesting a screenshot of the error message.
Please check for the email and revert to us.
Thank you for your understanding.
I had subscription and activated. It was working but now,when I reset my pc and again download internet security and again putting Code, it's showing "Incorrect Code". What's wrong? My friend gifted me this 3 and half years subscription (last year) so,I have no email or purchasing receipt etc and I was using from 1 and half year without email now it has still 2 years left but now,it's asking email But okay after putting email showing same Incorrect… Please resolve 
Hello Ashish,
Thank you for reaching AVG Support Community.
We sincerely apologize for the difficulties you are currently experiencing.
We will certainly check and help you to resolve it.
We've sent you an email requesting a screenshot of the error message.
Please check for the email and revert to us.
Thank you for your understanding.