The error message you received indicates that your TestPrep-Online subscription has expired.
We sincerely apologize for the inconvenience.
Kindly note that TestPrep-Online utilizes the European dating style - dd/mm/yyyy. Therefore, for example, the expiry date 31/03/2018 means March 31, 2018.
When renewing your subscription you are welcome to do so with a 25% discount using the coupon code TPO25
To redeem the coupon code simply find the PrepPack that you wish to use on our site and proceed to the purchase page.
Underneath the price select 'Insert Coupon'. Enter the coupon code provided above and click 'OK'.
For your convenience, screenshots are added below.
If your subscription is still valid and you are getting an Access Denied error, please contact us at firstname.lastname@example.org