| Error Message | Reason | Solution | | :--- | :--- | :--- | | "Invalid Username or Password" | Typo or expired credentials. | Double-check caps. If expired, renewal is required; conversion is not possible. | | "License already converted" | This username was already swapped for a key. | Check the email inbox associated with the license. The new key was sent there. | | "Product not eligible" | The license is for a very old, unsupported version (v4 or v5). | You cannot convert an unsupported product. You must purchase a new license. |
ESET has fully transitioned away from Username/Password pairs for consumer products. If you are a business using ESET Endpoint Security, you might still find hybrid options, but for home users (Internet Security, NOD32 Antivirus, Smart Security Premium), the is the only supported way forward. eset convert username and password to license key new