I want to cancel my subscription BUT when I attempt to sign on it says I don't have an account?

I just received an email from AVG telling me my subscription will be renewed. I want to cancel it. When I attempted to sign on it says I have no account?

Hello Michael,
I'm sorry to hear that you're experiencing issues with AVG MyAccount login, I see that you have already created AVG MyAccount with your email address (the email address you have registered). However, I see that the Subscription (automatic renewal) has been cancelled for your license AVG PC TuneUp and AVG Internet Security. The license will not be renewed and no money will be taken from your account for the renewal. You will be informed about the expiration of your license in time to purchase a license renewal before your AVG expires.
Best regards,
Alok.

Hello Michael,
I'm sorry to hear that you're experiencing issues with AVG MyAccount login, I see that you have already created AVG MyAccount with your email address (the email address you have registered). However, I see that the Subscription (automatic renewal) has been cancelled for your license AVG PC TuneUp and AVG Internet Security. The license will not be renewed and no money will be taken from your account for the renewal. You will be informed about the expiration of your license in time to purchase a license renewal before your AVG expires.
Best regards,
Alok.