These things happen! Don't worry though, your account will not be canceled until your payment fails 4 times.
If you pay by credit card and you know that your card details have changed then you can go to your account page select the Subscriptions tab and you should see a link to 'Update Billing Details'. Once you change your card details your payment will be processed immediately.
If you pay by PayPal please ensure that there are adequate funds in your account so that payment will go through when payment is tried again. Unfortunately, there is no way to change when PayPal will attempt to take payments or to push the payment through earlier.
Payment will automatically be tried again by our payment processors 4-5 days after a failed payment, but you will lose access to the Lab until payment is successful. If after the 4th try it is unable to process, your account will be automatically canceled.
If your subscription is canceled due to failed payments, you will need to sign up with a new subscription if you would like to regain access to zindolabs. Also note, your points or certificates WILL NOT transfer.
Please contact us if you have any further questions about failed payments.