A WordPress website usually has multiple plugins and themes installed. In some circumstances, they might interfere with the password reset process. You might want to temporarily deactivate all plugins and switch to a default WordPress theme to see if the password reset links start working again.

Your login credentials (username/password) are incorrect. You're being blocked by your security plugin. You changed the WordPress login URL. Your WordPress memory limit is too low.

Use the WordPress password login reset link First, navigate to your website login page. You can find it at “https://[yourdomainname].com/wp-admin”. Of course, you'll need to replace “[yourdomainname]” with your own. Once you're on the login screen, you can locate the reset password link at the bottom of the form.

When you attempt to reset your password and it returns an invalid or expired password reset key, it simply means that the key has exceeded its validity period. This could be due to various reasons, such as: Your password reset request was not completed within the allotted time.