I can't access my account

I got this email.
"Hello,

We believe that an unauthorized party may have accessed your Amazon.co.uk seller account. As a result, we have temporarily restricted access to your account and deactivated your listings. For your security, your full credit card number is not displayed in your account and cannot be accessed via our website.

We do not know how your sign-in information was obtained, since the unauthorized party obtained this information on a site other than Amazon.co.uk. Some common techniques used to gain access to this information include:

– Using malicious software to capture a user’s keystrokes and Internet activity
– Trying commonly used passwords
– Sending fraudulent emails asking recipients to provide or update personal, financial, or other account information (commonly known as “phishing”)

To learn more about Internet security, visit the “Security Privacy & Accessibility” section of our Amazon.co.uk Help pages.

To regain access to your account, you will need to reset your account password with a new, unique password that you do not use for any other account or website. We also suggest that you review your Seller Central account to verify that the following information is accurate. If changes have been made, please make the necessary corrections.

– Email address preferences
– Business, shipping and returns, and tax information
– Active and pending promotion codes
– User permissions
– Amazon Storefront
– Listings and condition notes

If the unauthorized party accepted orders for items you did not list, we recommend cancelling orders that have not shipped or offering refunds for orders that the unauthorized party marked as “shipped.”

If you find problems with recent disbursements, you can follow this link to reach a member of the Seller Performance Team (http://www.amazon.co.uk/gp/help/contact-us/general-questions.html). In your email, please include the last four digits of the bank account where your disbursements should be deposited.

Once you have confirmed that your account and listing information is accurate, change your listing status to Active to sell on Amazon.co.uk.

If you need help with your account or listings, you can reach our Seller Support Team by clicking Get Support at the bottom of any page in Seller Central.

Sincerely,
Seller Performance Team
Amazon.co.uk"

I have reset password many time. And but can’t login.

Anyone have same problem. How to fix it?

Thank you