Not valid serial number during installation

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  • Question
  • Updated 3 years ago
  • Answered
I am trying to reinstall Trend Micro Maximum Security but when I fill in my license number the installation claims that I do not have provided a valid serial number. "You have not provided a valid serial number. Please try again."
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Torgeir Lund Opgård

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Posted 3 years ago

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TM_L, Official Rep

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Thank you for contact us here! For your situation, we have a previous community discussion which is related to your issue that should help you:
Why is the serial number/activation key that you gave not working? It says the four letters are not correct 

Please let us know if this community discussion matches your situation and resolves your problem. If not, please reply and we'll help you further. Thanks!

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