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You receive the following error message when you activate your Trend Micro Security:

This serial number works for another edition of Trend Micro security software

"This serial number works for another edition of Trend Micro security software. Get the right one here and try again."

This issue happens when you downloaded a version of the Trend Micro program that is incompatible with your serial number.


Download the correct installer from where your program was purchased:

For programs purchased from Best Buy (US)

Serial Number Download Installer
Serial Number Starts with 'TO/TA'

Internet Security for Best Buy

You can visit Best Buy's website if you need further assistance.

For programs availed from your Internet Service Provider:

Serial Number Download Installer
Serial number starts with 'TAEF'

Antivirus+ Security

Serial number starts with 'TOEF'

Internet Security

Serial number starts with 'TXEF'

Maximum Security

For M1 subscribers encountering any issues, please contact their technical support.

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