Http 500 internal server error

Hello Gene,
I understand that you're experiencing issues with AVG Internet Security purchase. I request you to contact our chat support team, they will help you to purchase AVG Internet Security with a possible discount.
Best regards,
Alok.

I tried to upgrade my internet security trial version. Whenever I clicked 'ready to buy? please click here' or 'renew subscription' on My Subscription page, I can't open any webpage but have 'http 500 internal server error.'

Please help me what was wrong and how I can fix this.

Hello Gene,
I understand that you're experiencing issues with AVG Internet Security purchase. I request you to contact our chat support team, they will help you to purchase AVG Internet Security with a possible discount.
Best regards,
Alok.