You might want to try this:
Use only the credentials generated for you and sent to the email address you provided. For example
- License Key: AAAA-BBBB-CCCC-DDDD-EEEE
Older ESET products:
- Username: EAV-12345678
- Password: abcde12345
Copy and paste your License Key into the activation screen and be sure not to select an extra blank space
If you cannot copy and paste, type your License Key / Username and/or Password EXACTLY as they are written:
- License Key consists of 20 (5x4) characters from 28 allowed alphanumerical characters 23456789ABCDEFGHJKMNPRSTUVWX. Characters ILOQYZ10 has been excluded due visual conflicts.
Not sure where to enter your Username and Password or License Key?
Visit the appropriate Knowledegebase for your device to view step-by-step instructions to enter your Username and Password:
Activate my ESET Windows home product using my Username, Password, or License Key
Enter my Username, Password, or License Key to activate ESET Cyber Security/ESET Cyber Security Pro
I never received an email containing my Username and Password/License Key
Thanks, this solved my issue Contact Technical Support