If you are having trouble activating your Wizz Air account using the email link you received, follow these steps to resolve the issue:

1. Check Your Email: First, ensure that you have received the activation email, and check both your inbox and spam/junk folders for the email. Sometimes, important messages can be filtered out by your email provider.

2. Try Accessing via the Mobile App: Users have reported success with account activation by logging in through the Wizz Air mobile app instead of using the email link. Download the Wizz Air app from the Google Play Store, install it, and attempt to log in using your email and password. If you haven't created a password yet, you may need to initiate a password reset to proceed - learn more.

3. Clear Browser Cache: If you decide to continue using a web browser, try clearing your browser’s cache and cookies. This can resolve issues related to outdated or corrupted data linked to your session.

4. Use a Different Web Browser: If the activation link isn't responding, consider trying a different web browser. Switching from one browser (like Chrome) to another (like Firefox or Edge) may resolve compatibility issues.

5. Multiple Accounts: Be aware that if you have multiple registrations under the same email address, they might be blocking each other's access. Verify that you do not have other accounts with that email and consider contacting Wizz Air support if this might be the case - learn more.

6. Contact Support: If the above steps do not resolve the issue, your best option is to contact Wizz Air's customer support. You can reach out via their Live Chat or Call Centre for personalized assistance regarding your account activation issues - learn more.

By following these steps, you should be able to activate your Wizz Air account successfully. If problems persist, the customer support team will provide the necessary assistance to resolve any unusual issues.