1. There’s a typo in the email address.

2. You purchased using an old / different email address. Note that the account email address is the one you supplied on the divibooster.com checkout page, and may not be the same as, for example, your PayPal email.

3. You purchased Divi Booster several years ago. At that time, accounts weren’t automatically created. In this case, please first register for an account using the email address you originally purchased with. Then you should be able to login and see your purchase history.

If your still having problems after that, please get in contact.